[cobirds] Bird Conservancy of the Rockies - Barr Banding Report, 10/4/23

[meredith]

After a better day yesterday, we were back to the 2023 normal today - just 
8 birds banded.  We were hampered by wind, which moved around the station 
in gusts; we finally gave up and closed early.  We did manage to catch 2 of 
the Blue Jays that have been around the station all season, taunting us 
with their various vocalizations.  Here's today's 8:

Blue Jay 2
Hermit Thrush 1
Wilson's Warbler 1
Spotted Towhee 1
Song Sparrow 1
Dark-eyed Junco, Oregon 2

If you would like to visit our station, we have one-hour slots (up to 15 
visitors at a time) from 7:30-8:30 most weekday mornings (Tues-Fri, we are 
closed on Mon) and 8, 9, and 10 a.m. one-hour time slots on the weekends.  
As long as the heat continues, you are more likely to see birds if you come 
earlier in the morning.  Click here 

 to 
make a reservation.

Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies

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[cobirds] Migrant Poorwill doesn't flush until I touch him

[dgulb...@gmail.com]

Nightjars are known for roosting in plain sight during the day,
relying on their amazing camouflage.
I've looked right at a Potoo without seeing him until he was pointed
out to me.  But today's Poorwill was a stunner.
At 10 this morning I was slowly advancing on a pair of canoe cushions
along the side of my tennis court, which is edged with river rock, to see if
I could spot any hard-to-see spurge weeds amid the rocks.
I wasn't making any noise, except for moving the back cushion ahead
and sliding onto it.  I noticed an odd-shaped bundle between the
chain-link fence and the rocks, but paid no attention to it. Even when I was
seated right alongside of it-- less than 12" away--I noticed nothing,
but spent some time picking up some debris on my other side.  Maybe I
shouldn't have been wearing my distance glasses!  Anyway, my curiosity
finally kicked in and I put my hand on it to pick it up.  It flushed 
exactly like
a Grouse (like an airplane taking off), startling the heck out of me.
Was it asleep until I touched it?  Possibly, but I think it more likely it 
was
awake by then and just was relying on its camouflage.
David Gulbenkian
Crown Hill Open Space neighborhood, Jeffco

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Re: [cobirds] 11 Sabine's Gulls at Pueblo Reservoir

[David Suddjian]

I’d say it’s a grace of gulls.David Suddjian Littleton COSent from my iPhoneOn Oct 4, 2023, at 9:58 AM, Sebastian Patti  wrote:






an infestation . . .









sebastianpa...@hotmail.com 
Sebastian T. Patti 
552 W. Belden Ave.

Chicago, ILLINOIS 60614-3354 


CELL: 773/304-7488






From: cobirds@googlegroups.com  on behalf of Brandon 
Sent: Wednesday, October 4, 2023 10:09 AM
To: cobirds 
Subject: [cobirds] 11 Sabine's Gulls at Pueblo Reservoir
 


I was surprised to see so many juvenile Sabine's Gulls at Pueblo Reservoir in Pueblo County.  All 11 off West Fishing Road.

Brandon K. Percival
Pueblo West,  CO


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Re: [cobirds] 11 Sabine's Gulls at Pueblo Reservoir

[Pam Piombino]

I think that an infestation is a meeting of entomologists.

On Wed, Oct 4, 2023 at 8:58 AM Sebastian Patti 
wrote:

> an infestation . . .
>
> sebastianpa...@hotmail.com
> Sebastian T. Patti
> 552 W. Belden Ave.
> Chicago, ILLINOIS 60614-3354
> CELL: 773/304-7488
> --
> *From:* cobirds@googlegroups.com  on behalf of
> Brandon 
> *Sent:* Wednesday, October 4, 2023 10:09 AM
> *To:* cobirds 
> *Subject:* [cobirds] 11 Sabine's Gulls at Pueblo Reservoir
>
> I was surprised to see so many juvenile Sabine's Gulls at Pueblo Reservoir
> in Pueblo County.  All 11 off West Fishing Road.
>
> Brandon K. Percival
> Pueblo West,  CO
>
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> .
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> .
>


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Re: [cobirds] 11 Sabine's Gulls at Pueblo Reservoir

[Sebastian Patti]

an infestation . . .

sebastianpa...@hotmail.com
Sebastian T. Patti
552 W. Belden Ave.
Chicago, ILLINOIS 60614-3354
CELL: 773/304-7488

From: cobirds@googlegroups.com  on behalf of Brandon 

Sent: Wednesday, October 4, 2023 10:09 AM
To: cobirds 
Subject: [cobirds] 11 Sabine's Gulls at Pueblo Reservoir

I was surprised to see so many juvenile Sabine's Gulls at Pueblo Reservoir in 
Pueblo County.  All 11 off West Fishing Road.

Brandon K. Percival
Pueblo West,  CO

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[cobirds] 11 Sabine's Gulls at Pueblo Reservoir

[Brandon]

I was surprised to see so many juvenile Sabine's Gulls at Pueblo Reservoir
in Pueblo County.  All 11 off West Fishing Road.

Brandon K. Percival
Pueblo West,  CO

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[cobirds] Re: Migration Forecast Thursday Oct 5: Heads up

[Bryan Guarente]

Hey COBirders,
Here is an update to the previous migration forecast.

There isn't much change from last forecast except that there is a longer
period of time when migrants could be coming into the Front Range.  Instead
of it being a quick blast of winds into the Front Range with a passing cold
front, the front will hang up a bit on the Raton Mesa (southern CO/northern
NM) and should give us a longer period of time with winds turning into the
Front Range (All day Thursday instead of 3-6 hours).  Here is the
"best-looking" map to show you what I mean:
https://earth.nullschool.net/#2023/10/06/0400Z/wind/isobaric/850hPa/orthographic=-101.79,44.36,1404/loc=-105.254,40.036
(10pm
Thursday night; Green circle is Longmont).

Bird concentrations should pick up with the frontal passage tomorrow
morning (early morning for Northern CO, later morning for southern CO).

Still, I am not seeing any specific areas where birds will concentrate due
to the wind pattern.  It looks like a broad brush of birds along the entire
Front Range.  The overall pattern and connection to the Arctic should give
higher probabilities of bird concentrations on the Eastern Plains of CO and
into KS, but if you aren't willing to make the drive, there should be birds
showing up all along the Front Range so don't feel like you will be missing
too much.

Please provide updates as you have them tomorrow and beyond.  All data is
good data.  And help keep me honest by letting me know if the forecast is
"right" or not for your area.

Good luck out there!
Bryan

Bryan Guarente
Meteorologist/Instructional Designer
UCAR/The COMET Program
Boulder, CO


On Mon, Oct 2, 2023 at 7:36 AM Bryan Guarente 
wrote:

> COBirders,
> I've been waiting for a good migration forecast to come together for CO as
> the migration season is passing us by, what feels like, pretty quickly.
> This Thursday has the potential to be a good day for Coloradoans.  Here is
> 6am on Thursday Oct 5 (green circle is Longmont, CO, but feel free to move
> around in time to see when the front is near you):
>
> https://earth.nullschool.net/#2023/10/05/1200Z/wind/isobaric/850hPa/orthographic=-108.66,43.60,1918/loc=-105.120,40.191
>
> The forecast calls for frontal passage at 850mb to be right around sun up
> for a bunch of Colorado.  This means any birds looking for a meal after
> traveling overnight behind that front could put down in your area at sun-up
> to get some chow.  The origins of this frontal airmass are Northern Canada,
> with our local winds maybe only originating from WY/MT depending on how the
> forecast pans out.
>
> There are no strong areas of convergence for birds to concentrate on, so
> expect that we will see an increase in migrants overall, but no particular
> location getting the best of it based on the weather (based on the food
> sources, that may be a different story).
>
> Best bets: Eastern plains lakes/reservoirs.
>
> Also, if you have any desire/need to chase the Kansas American Flamingo,
> you should probably do it before Thursday, because my educated guess is
> this bird will move on with this frontal passage.  And it will be moving
> southeast, not west, no matter how much we want it to.
>
> I'll keep you posted as this week moves along.
>
> Thanks,
> Bryan
>
> Bryan Guarente
> Meteorologist/Instructional Designer
> UCAR/The COMET Program
> Boulder, CO
>

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[cobirds] Re: Where are the birds?

['David Laliberte' via Colorado Birds]

I am wondering if it might be the northern forest fires, in Canada this 
past summer, that are affecting the numbers of migrating birds passing 
through Colorado during this fall migration?


On Saturday, September 23, 2023 at 1:40:48 PM UTC-6 Mary Kay Waddington 
wrote:

> Is anyone else out there completely frightened by the lack of birds right 
> now?  I've always played a game with myself that when I go out for my 
> sunrise birding around the property, I don't allow myself to go back in 
> until I've seen at least 10 species -- and this includes the dead of winter 
> with snow on the ground! 
>
> Well, in the last few weeks I've been lucky to see 5 species each 
> morning!!  So I checked the number of September species I'd seen here up to 
> this date:  
>
> 2020, 63 species
> 2021, 47 species
> 2022, 53 species
> 2023, 44 species
>
> Definitely getting less, but not conclusive, so I did a little calculating 
> using my September bird lists for the last 4 years.  I only used the first 
> birding of each day -- usually around sunrise or a bit later, and only 
> calculated from Sept. 1st to 23rd.  Here are the dailly averages of number 
> of species and number of individuals:
>
> 2020,   16 sp.   63 ind.
> 2021,   14 sp.   40 ind.
> 2022,   11 sp.   34 ind.
> 2023, 8 sp.   16 ind.
>
> This is really frightening to me.  We've been told that in the last 50 
> years the US has lost 30% of its birds.  Have we reached the tipping point 
> and that number is changing exponentially?  In 10 years will there be any 
> birds left at all?
>
> I sincerely hope that all those people at Cornell that have all this data 
> at their fingertips are doing a whole lot of number crunching right now -- 
> much more scientific than my quick little add and divide, but I haven't 
> heard anything from anyone about the decline. And just look at the dismal 
> banding records for this Fall.
>
> Anyone out there seeing the same thing and having any ideas what's going 
> on?
>
> Mary Kay Waddington,  Arapahoe County
>

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