RE: [nfc-l] more on nightly flight call timing variation

[Caitlin Coberly]

Be lovely to see that correlated with weather patterns, or across geographic
scales.  Be fun, of course, to correlate with the radar imagery as well.





-Original Message-
From: bounce-120756676-10103...@list.cornell.edu
[mailto:bounce-120756676-10103...@list.cornell.edu] On Behalf Of Jeff Wells
Sent: Tuesday, September 06, 2016 10:55 AM
To: nfc-l@cornell.edu
Subject: [nfc-l] more on nightly flight call timing variation

Another undergraduate at the time from Bates College named Mike Watson did
some work for his honors thesis using data from three of my recording units
run simultaneously here in Maine all within a few miles of each other.

Attached is one figure showing the nightly variation over three October
nights.

Jeff Wells


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RE: [nfc-l] Intersting pattern in data recording

[Caitlin Coberly]

Recording in central Michigan, my calls were peaking at about 4:00 AM-right
by the shores of Lake Huron.  My guess is that is when they are flying low
and looking to land.  I'd have to look at my old data, but I think my inland
recorders (not near woodlots) did not see the same peak.  Fall and spring
were very different as well.

 

 

 

From: bounce-120754960-10103...@list.cornell.edu
[mailto:bounce-120754960-10103...@list.cornell.edu] On Behalf Of Meena
Madhav Haribal
Sent: Tuesday, September 06, 2016 5:48 AM
To: NFC-L
Subject: [nfc-l] Intersting pattern in data recording

 

Hi all, 

I have been recording in Ithaca NY for last few days. I am finding an
interesting pattern in number of calls recorded per hour (between 9.00 pm to
5.30 am). My recordings of the calls peak around 3.00 am in the morning. So
I am not sure why that pattern. Whether that is the time when they are ready
to touch down so they fly low in search of good locations or something else
is happening? I am curious to know how others are finding. If any Ithaca
recorders are out there have you looked at the pattern? Bill Evans who has
been recording form Danby area in Ithaca sent me a pattern for one day and
that day it peaked around 1.00 am and it also at higher elevation of 1500
ft, while I am at at 821 feet. 

 

Here is the actual data.

 

 



 

Any thoughts are welcome!

 

 

Meena Haribal

Ithaca NY 14850

42.429007,-76.47111, 821 ft

http://www.haribal.org/

http://meenaharibal.blogspot.com/

Ithaca area moths: https://plus.google.com/118047473426099383469/posts

Dragonfly book sample pages:
http://www.haribal.org/dragonflies/samplebook.pdf

 

 

 

 

  _  

From: bounce-120754645-10061...@list.cornell.edu
 on behalf of John Kearney

Sent: Tuesday, September 6, 2016 7:09 AM
To: 'Preston Lust'; NFC-L
Subject: RE: [nfc-l] Interesting Call 

 

Hi Preston and all,

I downloaded the calls you sent. The first one is a "double-up" warbler
mostly likely one in the genus Oreothlypis (Nashville, Tennessee, and
Orange-crowned). I would lean toward Tennessee for this one due to the nice
bend in the spectrogram. When I first looked at the second call, I thought
it was a Magnolia Warbler due to the spacing between humps, but on closer
examination its high frequency, number of humps, depth between humps, and
somewhat descending character fit better with Cape May Warbler.

John

 

John Kearney

Carleton, Nova Scotia

 

From: bounce-120753747-28417...@list.cornell.edu
[mailto:bounce-120753747-28417...@list.cornell.edu] On Behalf Of Preston
Lust
Sent: September-05-16 20:58
To: nf...@list.cornell.edu
Subject: [nfc-l] Interesting Call

 

Night of 9/01-02/16; Westport, Connecticut

 

I recorded an interesting call that night (the night of a small cold front),
and was wondering if anyone could aid me in its identification. Thank you
for any input.

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RE: [nfc-l] help with a mystery call from a few years back

[Caitlin Coberly]

I have weeks and weeks of house sparrows calling throughout the night at one
well lighted, heavily populated roost location.  Still occasionally hear
them at night in the city.

 

Caitlin

 

 

From: bounce-75179628-10103...@list.cornell.edu
[mailto:bounce-75179628-10103...@list.cornell.edu] On Behalf Of Kenneth
Victor Rosenberg
Sent: Friday, February 22, 2013 5:13 PM
To: Andy Martin
Cc: NFC-L
Subject: Re: [nfc-l] help with a mystery call from a few years back

 

Sure sounds like House Sparrows (at least through my phone). Maybe something
disturbed their roost?

 

Ken

Sent from my iPhone


On Feb 22, 2013, at 6:48 PM, "Andy Martin"  wrote:

Every once in a while I go back through my mystery call file to see if (with
a little more experience gained), I can ID one or two more.

The attached call has bugged me for some time. Sounds a bit finchy to me,
but time of night (12:30 AM) doesn't coincide with predawn movement. Only
finch possibility left around my house in May would most likely be House
(outside chance at a Purple). House sparrow possibly? First time I heard it,
cadence struck me as shorebird, but I have never been able to match it to a
particular species. I am stumped.

Thanks for any help.

Andy Martin
Gaithersburg, MD

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RE: [nfc-l] Etna, NY: Dickcissel @ 9:07pm

[Caitlin Coberly]

Does anyone have their ears on out west?  I still don't have my
night-recorder set up (old laptop with windows Vista on it.  Lousy system!).
Haven't seen many stopover birds yet.

 

 

 

From: bounce-64683127-10103...@list.cornell.edu
[mailto:bounce-64683127-10103...@list.cornell.edu] On Behalf Of Chris
Tessaglia-Hymes
Sent: Sunday, September 16, 2012 4:21 AM
To: nfc-l@cornell.edu
Subject: [nfc-l] Etna, NY: Dickcissel @ 9:07pm

 

The night flight overnight last night (9/15-9/16) was amazing to hear. Near
constant flight calls. Wave after wave. Species composition or, at least,
prevalence changed throughout the night.

Early in the evening (I started listening and recording at 8pm), there was a
heavy movement of Rose-breasted Grosbeaks, with various warbler flight calls
throughout. There were also occasional Green Heron and Swainson's Thrush
flight notes.

By mid-night flight, there were very frequent Swainson's Thrush and
Gray-cheeked Thrush calls, as well as regular Chestnut-sided Warbler and
Black-throated Blue Warbler flight calls. Occasional American Redstart,
Ovenbird, and a handful of White-throated Sparrows.

What was also interesting was this: I started out recording with my
Evans-style flowerpot (with the knowles element), acquiring using Raven Pro
on my Macbook Pro. Around 2am, I awoke to an acoustic spectacle that I felt
needed to be record with a slightly higher fidelity setup. I place two Rode
microphones out on the rooftop and began recording simultaneously with my
Zoom H4n recorder. With the latter setup, I was careful to arrange the
microphones (and my earbud headphones) such that my right ear was listening
to the ENE and my left ear was listening to the WNW. Interestingly, nearly
all thrushes heard calling were apparently moving in the distance to the
ENE. I did not notice many at all that were as loud heard calling out of the
WNW. This makes me wonder if it is at all possible that most of the birds I
heard were moving down the valley well to my East.

In any case, this was a very memorable night flight.

Attached is a Dickcissel that called at about 9:07 last night (I'm browsing
through sounds right now - Flowerpot recording).

-- 

Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418  M: 607-351-5740  F: 607-254-1132
http://www.birds.cornell.edu/brp

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RE: [nfc-l] Flight Call Exemplar Database?

[Caitlin Coberly]

For Glass O’Fire--I’d love to be able to modify the file name or add a note to 
it somehow so I can label ID’s.

 

 

 

From: bounce-63634608-10103...@list.cornell.edu 
[mailto:bounce-63634608-10103...@list.cornell.edu] On Behalf Of Mike Farmer
Sent: Sunday, August 26, 2012 9:42 AM
To: NFC-L
Subject: Re: [nfc-l] Flight Call Exemplar Database?

 

YES!   Hallelujah, baby.   Let’s do it!

 

And while we are at it.   How about a couple or three changes to GlassOFire 
that would make it such a kick**s program as to be the cat’s meow?  Paging 
through the songrams, tic marks, anddare I imagine ita little bit of 
zoom ability.   Not much.   Nothing fancy.   Just to be able to adjust the clip 
so as to match up to our new data base of calls.

 

Wow.   We can dream.

 

-Mike Farmer

 

From: Christopher T. Tessaglia-Hymes   

Sent: Sunday, August 26, 2012 10:27 AM

To: NFC-L   

Subject: [nfc-l] Flight Call Exemplar Database?

 

I'm curious to know if anything is in the works for a night flight call 
exemplar database, to which contributions may be made. 

 

I'm thinking of a flight call database that is accessible to anyone for easily 
uploading contributions, like http://www.Xeno-Canto.org. If so, is a there a 
projected release time-frame? 

 

So many people are out there collecting voluminous NFC data. It would be great 
to get the best-of-the-best of these examples, especially examples of non-North 
American flight calls, into an easily useable and accessible sound library of 
sorts.

 

Thoughts?

 

Thanks!

 

Sincerely,

Chris T-H

 

--

Christopher T. Tessaglia-Hymes

Field Applications Engineer

Bioacoustics Research Program, Cornell Lab of Ornithology

159 Sapsucker Woods Road, Ithaca, New York 14850

W: 607-254-2418   M: 607-351-5740   F: 607-254-1132

http://www.birds.cornell.edu/brp

 

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RE: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

[Caitlin Coberly]

Thanks Mike—that’s why I mentioned that I already have WCSP here—and they’ve 
been here for three weeks at least.  I’m in Oregon.  So, for this year at 
least, I’m leaning towards an alternate migration route.

 

 

 

 

From: Mike Farmer [mailto:ruthsl...@gmail.com] 
Sent: Friday, May 11, 2012 1:44 PM
To: Caitlin Coberly; 'NFC-L'
Subject: Re: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

 

Caitlin,

 

I think you are right.  If a sparrow is going to migrate during favorable north 
winds in the fall in Austin, It is going to have to take advantage of fewer 
good days than if it wants to migrate north on the constant south winds of 
spring.You would expect the spring flight to be more constant.   Not so 
many big big 1000 to 2000 call nights.

 

As to the second question, here is a chart of the relative percent of sparrow 
calls for fall versus spring.   I only have two seasons.   But I started late 
in the fall season so I missed many sparrows and yet fall is still much bigger. 
 Only CCSP seems bigger in spring yet the 2011 chart for the fall clearly shows 
that I started in the middle of CCSP migration.  So I missed many. 

 

Of course, this assumes spring migration is over for sparrows.   The seasonal 
checklists say yes.   But maybe it’s late this year?

 

Or they just migrate another way in the spring?   As Mike says, it takes years 
of data to show anything.   This could all just be within the sampling error.   
But perhaps someone out there knows something about sparrow migration that may 
explain it.

 

-Mike Farmer

 

 

 

From: Caitlin Coberly <mailto:prai...@dswebnet.com>  

Sent: Thursday, May 10, 2012 10:15 PM

To: 'Mike Farmer' <mailto:ruthsl...@gmail.com>  ; 'NFC-L' 
<mailto:NFC-L@cornell.edu>  

Subject: RE: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

 

Mike--  A couple of questions:

 

1)  The Sparrow migration is steadier in spring.  Or is it that you have 
had nearly constant winds this spring?  Are the winds nearly always more 
constant in spring?

2)  Are WC and WT SP using a different migration path?  Where have they 
shown up?  I have WC here already—as of 3 weeks ago.  No WT, but they don’t 
occur here.   

 

 

Totally cool plots.  Thank you!

 

 

 

From: bounce-56532033-10103...@list.cornell.edu 
[mailto:bounce-56532033-10103...@list.cornell.edu] On Behalf Of Mike Farmer
Sent: Thursday, May 10, 2012 3:01 PM
To: NFC-L
Subject: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

 

Well, the most fascinating thing about any new hobby is the surprises that 
occur.  And this one is no different.   We first started recording on Sept 29th 
of last fall.   We had missed most of the fall migration by starting so late.   
Except we got a truly huge sparrow migration that came down after each north 
front.   Several times, nights with 1000 to 2000 calls were recorded. So we 
were so sure that we would get 1000s upon 1000s in the peak of spring.   Well, 
not quite.

Instead we have just recorded a steady rise in more and more birds on each 
night with favorable south winds as we went toward and now through the peak of 
migration.   No night at any one of three stations giving more than 500 calls.  
 And the peak of migration seeing a steady 200 to 350 a night for a period of 7 
straight days.

 

The sparrow migration is steadier in spring.   Not so erruptive, it seems.   
But where are the White-crowns and the White-throated?   I guess they decided 
not to migrate back this year.   We have almost no WTSP this spring.   And only 
10% of the WCSP  fall migration.And not near as many CHSP as occurred in 
fall.Or VESP, for that matter.   Maybe they are still to come?  It’s 
inscrutable.   Do they take another path north?

 

The attached graphs show what it’s like to migrate in spring through Austin as 
a sparrow.   They are remarkably smooth graphs when looking at each species as 
a proportion of each day’s flight.   Each species with enough samples would 
seem to fit a bell-shaped curve just fine.  Or maybe a left or right skewed one 
at least.   Especially if the north wind nights with small flights are removed 
from the data.

 

-Mike Farmer

equipment

Mic – Oldbird 21c

Software – Oldbird tseep, thrush, GlassOFire, Raven Pro, Excel

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RE: [nfc-l] Austin, Tx - Hourly count - Through May 7, 2012

[Caitlin Coberly]

Thank you Mike!  I absolutely love to see the papers on this, as well as
your accumulated wisdom and anecdotal reports. It's all fascinating and
inspiring.

 

From: bounce-56860086-10103...@list.cornell.edu
[mailto:bounce-56860086-10103...@list.cornell.edu] On Behalf Of Michael
Lanzone
Sent: Friday, May 11, 2012 8:26 AM
To: Mike Farmer
Cc: NFC-L
Subject: Re: [nfc-l] Austin, Tx - Hourly count - Through May 7, 2012

 

Jessie and Mike, I will answer both of your posts in more detail later when
I have time, but to my knowledge there has only been one person to collect
definitive data on call rates of birds during nocturnal migration (from know
individuals). It was on was on Swainson's Thrushes where he had a
transmitter attached to it during nocturnal migration transmitting  back to
a vehicle to be recorded via radio. I saw a partial manuscript on this
several years ago, I hope it gets published, its an invaluable study. Here
is a short excerpt from Cochran's study-
http://www.inhs.illinois.edu/inhsreports/sep-oct97/migrants.html

 

One of the published papers out there dealing with this is the Farnsworth
et.al. paper- "A comparison of nocturnal call counts of migrating birds and
reflectivity measurements on Doppler radar"

 

Mike

 

Michael Lanzone
mlanz...@gmail.com




On Fri, May 11, 2012 at 11:14 AM, Mike Farmer  wrote:

Thanks everyoneI wish there was a central place for all your knowledge
for us newbies to peruse.   It would make getting started easierbut
maybe less fun in the floundering?

 

I've had this discussion with a bunch of people just starting to record or
who have given up after attempting to record.  It seems to be a naturally
progression that newby's like myself take.   First, we are amazed at how
well the detectors will find such small packets of energy above the
background noise.  Then we go into near depression because a beautiful OVEN
bird zeep is some how missed.   Then horror that my big night of 500 calls
could have been 750 if I would just wade through 20,000 false positives
instead of 3,000.

 

The OLDBIRD detectors and Raven Pro detectorto name the only two I have
usedare amazing detectors.   State of the art for what they do.   But
the background noise is varying so rapidly and randomly that some calls are
missed and false detection are many.   

 

It is at this point that the newby must decide.   What am I trying to do?
For me, I finally realized that I want as unbiased a sample of the birds
calling over my house as I can get and I want a sufficient sample.A good
number, that is.   I'm not so concerned that I get every call that my mic
hears as long as I don't miss OVEN birds at a higher rate than CCSP, for
instance.   But I also don't want just 10% of the calls because although
that may be good enough for the many CCSP, it may not be enough OVEN birds
calls to analysize.

 

Notice that I said that I want an unbiased sample of the birds
calling.not that I am getting an unbiased sample of the birds flying
over my house.   Sure, I would want that but apparently you professionals
haven't even determined what the call rate of each species is.  So we
newbies have to realize that we are in no way counting how many birds fly
over our house.   Right?   Do I have that right?

 

But when I read your professional papers and talk to the gurus like BIll
Evans, I see that we can talk about changes in the proportion of the calls
of each species.At least until you professionals give us more ways to
crunch the statistics.

 

Sorry for the mini-rant.   I think newbies should be less frustrated by
missed calls than we just naturally seem to be.   The pursuit of perfection
should not be the enemy of the good.   

 

-Mike Farmer

-Oldbird and Raven Pro detectors are greatnewbies, use them!

 

From: Lewis Grove   

Sent: Friday, May 11, 2012 8:26 AM

To: Andrew Albright   

Cc: Mike Farmer   ; NFC-L
  

Subject: Re: [nfc-l] Austin, Tx - Hourly count - Through May 7, 2012

 

Hi Andrew and all, 

 

Automated detection of calls is a tricky business, though it is relatively
easy to figure out the proportion of calls that you are actually pulling out
- just count calls manually, screen by screen and then see how many your
detectors find.  We looked at 90 different random 15-minute segments from
three different recording sites, using multiple observers to find the total
number of calls present.

 

Basically, depending on the software package and the parameter combinations
you use (SNR and occupancy are the big ones other than having your time and
frequency bounds correct), you can get wildly different proportions, ranging
from near zero to near 100% of calls.  I can't remember the exact numbers
but I believe Tseep-x finds something just shy of 50% of the warbler/sparrow
calls present in a file.  Other factors come in to play here too -
background

RE: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

[Caitlin Coberly]

Mike--  A couple of questions:

 

1)  The Sparrow migration is steadier in spring.  Or is it that you have
had nearly constant winds this spring?  Are the winds nearly always more
constant in spring?

2)  Are WC and WT SP using a different migration path?  Where have they
shown up?  I have WC here already-as of 3 weeks ago.  No WT, but they don't
occur here.   

 

 

Totally cool plots.  Thank you!

 

 

 

From: bounce-56532033-10103...@list.cornell.edu
[mailto:bounce-56532033-10103...@list.cornell.edu] On Behalf Of Mike Farmer
Sent: Thursday, May 10, 2012 3:01 PM
To: NFC-L
Subject: [nfc-l] Austin, Tx - Listening stations - Through May 7, 2012

 

Well, the most fascinating thing about any new hobby is the surprises that
occur.  And this one is no different.   We first started recording on Sept
29th of last fall.   We had missed most of the fall migration by starting so
late.   Except we got a truly huge sparrow migration that came down after
each north front.   Several times, nights with 1000 to 2000 calls were
recorded. So we were so sure that we would get 1000s upon 1000s in the
peak of spring.   Well, not quite.

Instead we have just recorded a steady rise in more and more birds on each
night with favorable south winds as we went toward and now through the peak
of migration.   No night at any one of three stations giving more than 500
calls.   And the peak of migration seeing a steady 200 to 350 a night for a
period of 7 straight days.

 

The sparrow migration is steadier in spring.   Not so erruptive, it seems.
But where are the White-crowns and the White-throated?   I guess they
decided not to migrate back this year.   We have almost no WTSP this spring.
And only 10% of the WCSP  fall migration.And not near as many CHSP as
occurred in fall.Or VESP, for that matter.   Maybe they are still to
come?  It's inscrutable.   Do they take another path north?

 

The attached graphs show what it's like to migrate in spring through Austin
as a sparrow.   They are remarkably smooth graphs when looking at each
species as a proportion of each day's flight.   Each species with enough
samples would seem to fit a bell-shaped curve just fine.  Or maybe a left or
right skewed one at least.   Especially if the north wind nights with small
flights are removed from the data.

 

-Mike Farmer

equipment

Mic - Oldbird 21c

Software - Oldbird tseep, thrush, GlassOFire, Raven Pro, Excel

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RE: [nfc-l] Unknown Hunterdon NJ Night Flight Call

[Caitlin Coberly]

Is anyone paying attention to the wind map and using it to predict/ or post
correlate their flights?  It looks like a  good shoot straight up the center
of the country tonight.

 

  http://hint.fm/wind/

 

I haven't gotten  good pattern out here yet, but I have this as my default
home page so I can look at it every morning at least.

 

Best,

 

Caitlin

 


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RE: [nfc-l] roll call!

[Caitlin Coberly]

Sad to say, my laptop computer has Vista (the worst operating system ever)
and I cannot use it for recording, so nothing from my neck of the woods this
spring L

 

~Caitlin

 

From: bounce-45148036-10103...@list.cornell.edu
[mailto:bounce-45148036-10103...@list.cornell.edu] On Behalf Of David La
Puma
Sent: Monday, April 02, 2012 8:55 PM
To: NFC-L
Subject: [nfc-l] roll call!

 

Can we get an update on where people are recording this spring? Is anyone
recording in Wisconsin or elsewhere in the Upper Midwest? We've had a number
of nights of moderate to heavy migration over the last two weeks and I'd be
interested to know how the night listening is going. I personally haven't
been out at night and my mic is still in a disassembled state since moving
out here at the end of December... I hope to get it up and running soon, but
in the meantime... is there anybody OUT there?

good listening!

David


David A. La Puma
Postdoctoral Associate 
Aeroecology Program
Department of Entomology and Wildlife Ecology
University of Delaware

Visiting Scientist
SILVIS Lab (http://silvis.forest.wisc.edu/)
University of Wisconsin, Madison

Teaching/Research Profile:
http://www.woodcreeper.com/teaching

Websites:
http://www.woodcreeper.com
http://badbirdz2.wordpress.com







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RE: [nfc-l] Night Migrating Raptors

[Caitlin Coberly]

Anyone else see a really beautiful telemetry/GPS study in this?

 

When I’ve tracked raptors, they’ve been relatively silent.  One little 
peregrine I tracked did not move more than 5 miles overnight.  Probably less 
than 1 mile.  Another one we tracked moved, we think, more than 20 on a good 
thermal front.  Both in the fall.  The one that stayed put was on a calm 
evening.

 

 

~Caitlin

 

From: bounce-41633657-10103...@list.cornell.edu 
[mailto:bounce-41633657-10103...@list.cornell.edu] On Behalf Of Michael O'Brien
Sent: Thursday, March 01, 2012 6:26 PM
To: Christopher T. Tessaglia-Hymes
Cc: NFC-L
Subject: Re: [nfc-l] Night Migrating Raptors

 

Chris,

 

Those photos are amazing! And they brings up an interesting general question 
about nocturnal migration by raptors. How much do they move at night? In Cape 
May I see plenty of evidence of at least limited nocturnal movement. We 
regularly see American Kestrels, Sharp-shinned Hawks, and Northern Harriers 
present in numbers (sometimes already high overhead) at first light when they 
were not present the day before. Also I have seen Osprey and Peregrine head out 
in apparent migration flight over Delaware Bay well after sunset. But the only 
nocturnal flight call I have heard from a raptor was from an Osprey which gave 
acouple of "tew" calls overhead a good two hours before sunrise. I wonder if 
others have seen or heard evidence of nocturnal migration by raptors. 

 

thanks,

Michael

Michael O'Brien
Victor Emanuel Nature Tours
www.ventbird.com

  _  

From: "Christopher T. Tessaglia-Hymes" 
To: "NFC-L" 
Sent: Thursday, March 1, 2012 4:01:22 PM
Subject: Re: [nfc-l] Night Migrating Raptors

Below is a link of a few pictures I managed to capture of a couple of the 
individuals. Unfortunately, due to our operations, I was not able to take time 
for extensive documentation. It was a very neat spectacle to have witnessed. 
Some details are at right of the album at the link, below.

 

https://picasaweb.google.com/112522159565855378380/NightMigratingRaptors

 

Sincerely,

Chris T-H

Currently at sea in the Gulf of Mexico, aboard the M/V Emily Bordelon.

 

 

 

On Mar 1, 2012, at 4:41 AM, Christopher T. Tessaglia-Hymes wrote:

 

Although these birds weren’t making vocalizations, but it has been really cool 
to witness.

 

I’m on the M/V Emily Bordelon about 150 miles WNW of Tampa, FL, working on 
recovering oceanographic research instruments. We’re conducting 24-hour 
operations with deck lights blazing. from approximately 07:10 to 07:25 GMT 
(02:10 to 02:25 AM EST) the deck crew and I observed at least three 
simultaneous SWALLOW-TAILED KITES, 1 Laughing Gull, and a single OSPREY 
approach the vessel during an extended full-stop drifts. This was at about N28 
26.491 by W85 27.459. I managed to get some half-decent photos of the Kites as 
they drifted over the vessel.

 

At another point, from approximately 08:40 to 09:20 GMT (02:40 to 03:20 AM EST) 
we were visited by at least two more night migrating SWALLOW-TAILED KITES. I 
did not obtain photos of those birds. This was at about N28 17.256 by W85 
32.837.

 

I imagine there are several birds in migration across the Eastern Gulf of 
Mexico at this point and we should expect to have more observations at the next 
couple of nighttime stations.

 

Good birding!

 

Sincerely,
Chris T-H

 

--

Christopher T. Tessaglia-Hymes

TARU Product Line Manager and Field Applications Engineer

Bioacoustics Research Program, Cornell Lab of Ornithology

159 Sapsucker Woods Road, Ithaca, New York 14850

W: 607-254-2418   M: 607-351-5740   F: 607-254-1132

http://www.birds.cornell.edu/brp

 

 

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--

Christopher T. Tessaglia-Hymes

TARU Product Line Manager and Field Applications Engineer

Bioacoustics Research Program, Cornell Lab of Ornithology

159 Sapsucker Woods Road, Ithaca, New York 14850

W: 607-254-2418   M: 607-351-5740   F: 607-254-1132

http://www.birds.cornell.edu/brp

 

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RE: [nfc-l] First night flight of 2012?

[Caitlin Coberly]

Steve-where are you located?

 

 

From: bounce-39931144-10103...@list.cornell.edu
[mailto:bounce-39931144-10103...@list.cornell.edu] On Behalf Of Steve
Kelling
Sent: Wednesday, February 08, 2012 1:28 PM
To: Kenneth Victor Rosenberg
Cc: Michael O'Brien; Andrew Albright; NFC-L
Subject: Re: [nfc-l] First night flight of 2012?

 

I think birds move around at night year-round. For example in Jan and Feb, I
record the flight calls of Snow Buntings during the pre-dawn (0430-0700) of
many mornings. Last winter I recorded Common Redpolls also in the pre-dawn.
I occasionally will record American Robins at this time. I seldom (never
Snow Buntings) get these birds on the ground during my daily dawn eBird
counts.

Steve Kelling

On Wed, Feb 8, 2012 at 3:44 PM, Kenneth Victor Rosenberg 
wrote:

Ithaca, NY had it's first Killdeer of the year yesterday, so a few birds are
likely moving (but north with the mild weather, or south with the arriving
cold snap??) 

 

KEN

 

Ken Rosenberg

Conservation Science Program

Cornell Lab of Ornithology

607-254-2412

607-342-4594 (cell)

k...@cornell.edu

 

On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:





Andrew,

 

It should not be a big surprise to hear a single nocturnal migrant Killdeer
at this time of year in Pennsylvania. Spring migrants begin moving in
February, and "fall" migrants will sometimes move any time in winter if they
get pushed out of northern areas by cold weather or snow. This has been a
mild winter, so there were likely more Killdeers lingering at northern
latitudes than usual. Still, it's really cool to hear a nocturnal migrant in
mid-winter, and great to document it!

 

best wishes,

Michael

Michael O'Brien
Victor Emanuel Nature Tours
www.ventbird.com

  _  

From: "Andrew Albright" 
To: "nfc-l" 
Sent: Tuesday, February 7, 2012 10:13:54 PM
Subject: [nfc-l] First night flight of 2012?

I just got back from running (more than 3 hours after nightfall) and I
heard a Killdeer fly overhead!

I'm in southeastern PA and this is very rare bird in the winter for
this county.  Sodoes this count as a night flight?  What in the
world is this bird doing?

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-- 
Steve Kelling
Information Science
Cornell Lab of Ornithology
607-254-2478 (office)
607-342-1029 (cell)

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RE: [nfc-l] First night flight of 2012?

[Caitlin Coberly]

In my acoustic recordings in Michigan, Killdeer was a very frequent night
caller.  Also here in Oregon I hear them regularly at night throughout the
winter.  However, they are not rare in either place.

Best,

Caitlin


-Original Message-
From: bounce-39861078-10103...@list.cornell.edu
[mailto:bounce-39861078-10103...@list.cornell.edu] On Behalf Of Andrew
Albright
Sent: Tuesday, February 07, 2012 7:14 PM
To: nfc-l
Subject: [nfc-l] First night flight of 2012?

I just got back from running (more than 3 hours after nightfall) and I
heard a Killdeer fly overhead!

I'm in southeastern PA and this is very rare bird in the winter for
this county.  Sodoes this count as a night flight?  What in the
world is this bird doing?

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RE: [nfc-l] Austin, Texas - Night Flight -

[Caitlin Coberly]

Hi Mike-I haven't yet found a simple easy way to tag files and change their
names (I'm using glassofire) so I can sort and count them using an automated
method.  Have you done this, or are you doing all your compilations by hand?

 

Best,

 

Caitlin

 

From: bounce-38249468-10103...@list.cornell.edu
[mailto:bounce-38249468-10103...@list.cornell.edu] On Behalf Of Mike Farmer
Sent: Wednesday, November 09, 2011 8:42 AM
To: NFC-L
Subject: [nfc-l] Austin, Texas - Night Flight -

 

Two recent pacific fronts one on Nov 3 and one last night, Nov 8, have not
produced the number of birds that the 4 fronts in October did.   Instead of
900+ birds after each front, we are now getting about 200.   Nevertheless,
the percentage for each species continues to change thru the weeks now as
predicted by the Travis county annotated checklist.

 

Attached is a graphic representation of the last 5 weeks of night flight
over Austin, Texas.   

 

The amount of time spent to get to this point is significant.   But after
learning the common sonograms.and as a newbieI now only spend about
30 minutes a day in categorizing the data to the known sonograms.   As can
be seen from the graph, there are still many unknowns to be worked on.   As
such this graph only represents a tentative categorizing of the night flight
so far and isas they saysubject to change without notice.

 

IAgain, I hope that others will see just how easy it is to get started in
this fascinating hobby, scientific endeavor, and/or amusing pastime.It
is very easy and not too time consuming to set up a system to count the
number of migrants each night. A little more time and you can get very good
and fast at separating out and counting the birds with well known and unique
sonograms. After that, so far I have had up to 50% unknowns for any
night. To me, this is a hobby with a nice mix of instant gratification and
probably a lifetime of new discoveries.

 

 

-Mike Farmer

 

equipment

Mic - Oldbird 21c

Software - Oldbird tseep, thrush, GlassOFire, Raven Pro

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RE: [nfc-l] Etna, NY - Night Flight - 4 to 5 November 2011

[Caitlin Coberly]

Snow bunting?  Did you guys get a good cold spell, or is this more usual in
NY than I thought?  In Minnesota, the Snow Buntings and Mourning doves
traded places at 10'F, with snow buntings arriving en masse, and the doves
leaving.

 

From: bounce-38234332-10103...@list.cornell.edu
[mailto:bounce-38234332-10103...@list.cornell.edu] On Behalf Of Christopher
T. Tessaglia-Hymes
Sent: Saturday, November 05, 2011 7:03 AM
To: NFC-L
Subject: [nfc-l] Etna, NY - Night Flight - 4 to 5 November 2011

 

Last night, I decided to turn on the recorder and acquire sounds of any
flight activity overnight from about 11pm to dawn. It was relatively quiet,
but I did count a good 15 clear American Tree Sparrow flight notes
throughout the night, as well as at least three Dark-eyed Juncos. At 7:00am
sharp, a single Snow Bunting flew over, giving both a single "rattle" call
and several "Ptheew" calls. 

 

The migration continues!

 

Good night listening!

 

Sincerely,

Chris T-H

 

--

Christopher T. Tessaglia-Hymes

TARU Product Line Manager and Field Applications Engineer

Bioacoustics Research Program, Cornell Lab of Ornithology

159 Sapsucker Woods Road, Ithaca, New York 14850

W: 607-254-2418   M: 607-351-5740   F: 607-254-1132

http://www.birds.cornell.edu/brp

 

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RE: [nfc-l] FW: [GeneseeBirds-L] News of note: massive Blackpoll Warbler kill in West Virginia

[Caitlin Coberly]

We've known for quite a while that lighted objects attract birds during
inclement weather.  Large, lighted, objects such as skyscrapers and
lighthouses kill birds during inclement weather.  Normally, turbines kill a
few birds (about 2.8birds/MW/YR).  But, turbines are very tall (commercial
turbines are mostly about 450 ft., which is the size of a 45 story
building).  500 birds, while a large number, is within the known impacts for
tall, lighted, stationary objects. Lighting turbines, or nearby objects,
seems like a really bad idea.  We've known that, and advised against it, for
a few years.

 

I recommend turning off the lights and using energy efficient appliances
myself.  Well, it's either that or more coal fired and gas fired power
plants, with around 3 cents per KW hour in health impacts.

 

Just my inflation adjusted 2 cents

 

~Caitlin

 

From: bounce-38204390-10103...@list.cornell.edu
[mailto:bounce-38204390-10103...@list.cornell.edu] On Behalf Of Laura C.
Gooch
Sent: Thursday, October 27, 2011 6:57 PM
To: NFC-L@cornell.edu
Subject: Re: [nfc-l] FW: [GeneseeBirds-L] News of note: massive Blackpoll
Warbler kill in West Virginia

 

Here's a link to a more complete account of what happened:

http://jimmccormac.blogspot.com/2011/10/blackpoll-warbler-kill-at-wind-farm.
html

It seems that it wasn't actually the turbines that killed the birds, but the
fact that lights at a substation attracted so many birds at this location
suggests that the turbines will have their day.

Laura Gooch

On 10/27/2011 3:50 PM, Michael Lanzone wrote: 

This was a human error we were told, see email snippet below-



"bird kill in Barbour/Randolph Counties at Laurel Mt. Wind facility.

You probably already heard. 

500 some birds.  Human error.  Person left lights on at substation.  Foggy
night.

Rich said a press release will be issued within the month."



Mike 


Michael Lanzone
mlanz...@gmail.com




On Thu, Oct 27, 2011 at 3:43 PM, Chris Tessaglia-Hymes 
wrote:

Does anyone know anything about this Warbler kill in West Virginia? Could
this have been prevented with a NFC detection system or was it simply the
fact that structures are there (moving or not)? Was it aviation
lighting-type that contributed (strobe/non-strobe/red/white, etc.)?

 

Would appreciate any input (on-list is okay).

 

Thanks!


Sincerely,
Chris T-H

 

--

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Listowner, NFC-L

Ithaca, New York

c...@cornell.edu

NFC-L   -
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From: geneseebirds-l-boun...@geneseo.edu
[mailto:geneseebirds-l-boun...@geneseo.edu] On Behalf Of Laura Kammermeier
Sent: Thursday, October 27, 2011 3:32 PM
To: GENESEEBIRDS-L
Subject: [GeneseeBirds-L] News of note: massive Blackpoll Warbler kill in
West Virginia

 


The abundant Blackpoll Warblers migrating o'er the lakefront this year made
big news both here and in other regions.  Betsy Brooks reported "It has been
a record-breaking Blackpoll Warbler season at BBBO ...  today we banded
another 21, bringing our total this fall to an amazing 705.  The previous
high for fall had been 383 banded in 2008. The numbers appeared to be
slowing down around Oct 4 but began building again on Friday Oct 7."
(listerv, Oct. 10th).

 

Tragically, it seems a massive kill of these warbler happened at a wind farm
in West Virginia. 

 

While I have not vetted this kill information from primary sources, this is
copied by Kimberly Kaufman, exec. director of Black Swamp Bird Observatory
on her Facebook wall, and was indeed on the PA listserv.

 

How senseless. Birders need to be on top of the wind farm issue and help
them get properly sited away from major migration corridors.

 

My heart goes out the banders who may have held some of these warblers in
their hands and wished them well on their migration.

 

 

 

Laura Kammermeier

Honeoye Falls

 

 

 

A recent post to the PA Birds ListServ. 

--- 

Blackpoll Warblers killed in West Virginia 


Date: Thu, 27 Oct 2011 08:08:00 -0400A massive kill at AES Laurel Mtn wind
project in West Virginia 2 weeks ago: 500 - 600 migrating blackpoll warblers
were killed by wind turbines. This was confirmed by Craig Stihler of DNR in
Elkins, WV (304-###-0245) Blackpoll warblers are endangered in PA - we have
the southern-most breeding population. I hope we did not lose our nesting
blackpoll warblers in this tragic incident. From the PGC: "Blackpoll
warblers (Dendroica striata) are very rare and locally distributed nesting
birds in Pennsylvania. Confirmed nesting has been confined to the Dutch
Mountain wetlands in State Game Lands 57 of western Wyoming County.

RE: [nfc-l] Pacific NW

[Caitlin Coberly]

I suppose that should be good motivation for me to put out some recording
devices?  If I could find some old cheap laptops somewhere, I bet I could do
a really cute little statistical design from the valley to the
mountains.

:)





-Original Message-
From: bounce-38124252-10103...@list.cornell.edu
[mailto:bounce-38124252-10103...@list.cornell.edu] On Behalf Of Ted Floyd
Sent: Wednesday, October 05, 2011 2:33 PM
To: nfc-l
Subject: RE: [nfc-l] Pacific NW

Woohoo! It's great to know that folks are listening in places other than
New York and New Jersey...  ;)

The past few nights, FYI, Michael Retter and I and others (we were at
the ABA's 2011 birding conference) noticed nice Swainson's Thrush
flights over Half Moon Bay, San Mateo County, California. 

All best,
Ted Floyd

Lafayette, Boulder County, Colorado






-Original Message-
From: bounce-38118366-9667...@list.cornell.edu
[mailto:bounce-38118366-9667...@list.cornell.edu] On Behalf Of
prai...@dswebnet.com
Sent: Tuesday, October 04, 2011 10:02 AM
To: NFC-L@cornell.edu
Subject: [nfc-l] Pacific NW


Lots of birds overhead last night in the Pacific NW (Willamette Valley,
near Eugene, OR).  Anyone have their ears out?  I was only out for a few
minutes an heard about 5 calls in 2 minutes over the very loud traffic
noise.  No ID's.

Best,

~Caitlin

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NFC-L List Info:
http://www.NortheastBirding.com/NFC_WELCOME
http://www.NortheastBirding.com/NFC_RULES
http://www.NortheastBirding.com/NFC-L_SubscribeConfigurationLeave.htm

ARCHIVES:
1) http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html
2) http://www.surfbirds.com/birdingmail/Group/NFC-L
3) http://birdingonthe.net/mailinglists/NFCL.html

Please submit your observations to eBird:
http://ebird.org/content/ebird/

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