[cobirds] Northern Mockingbird & Pine Siskin - Botanic Gardens & Cheesman (Denver)

[Jared Del Rosso]

This morning, I came upon a Northern Mockingbird in Denver Botanic Gardens. 
It made its way, with many of the Gardens' junco and flicker, over into 
Cheesman, where I saw it briefly around the  flower beds near the pavilion. 
Those beds were also drawing robin, junco, Clay-colored Sparrow, and a Lark 
Sparrow. 

On Wednesday, a small flock of Pine Siskin passed through Cheesman. 

There have also been several Ruby-crowned Kinglet, a few Orange-crowned 
Warbler, and one or two lingering Broad-tailed Hummingbird at the Gardens 
this week. The area Bushtit (15-20 of them) seem to be congregating here 
too. Wilson's Warblers are increasingly difficult to find. No sign of the 
poorwill. 

- Jared Del Rosso
Denver, CO 

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Re: [cobirds] Possible Arctic Tern, Chatfield Douglas, Co.

[Tom Behnfield]

Forgot to mention that this was also at the end of the Chatfield Marina 
Sandspit (Douglas County.

Tom Behnfield
Lakewood, CO
behnfi...@q.com
www.flickr.com/photos/behnfield

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Re: [cobirds] Possible Arctic Tern, Chatfield Douglas, Co.

[Tom Behnfield]

At around 5:30 this evening, I spotted this Tern that looks quite a bit like 
that seen by Glenn today. What leads me to believe this is the same Arctic Tern 
is the rounded head, lighter carpal bar and pale gray primaries. I've attached 
a picture, which as usual is nowhere as good as Glenn's fine shots.

I can only hope..

www.flickr.com/photos/behnfield/21874197016

Good birding!

Tom Behnfield
Lakewood, CO
behnfi...@q.com
www.flickr.com/photos/behnfield

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[cobirds] Chatfield Arctic Tern

[Norm Erthal]

I saw the Arctic Tern at Chatfield SP on the sand spit at about 3 pm for a 
half hour. The photos I took I believe confirm the initial id made by Glenn 
Walbek. It is a first year bird. The carpal bar is not dark enough for a 
Common Tern and the secondaries in flight are pale, The secondary coverts 
are darker instead of pale on a Common
Norm Erthal
Arvada, CO

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[cobirds] Bird Conservancy Banding Station at Barr, 10-2-15

[meredith]

A nice cool morning with a great mix of species!  Two new species for the 
season, both of which are unusual captures for the station: We started the 
day with a lovely (and very feisty) young male Rose-breasted Grosbeak.  We 
also had a young Nashville Warbler, who had managed to survive what looked 
to have been a severe (but completely healed) injury to the back of her 
head.  Total of 40 new birds:

Downy Woodpecker 1
Black-capped Chickadee 2
Ruby-crowned Kinglet 1
Hermit Thrush 5
Gray Catbird 1
Orange-crowned Warbler 8
Nashville Warbler 1
Yellow-rumped Warbler, Myrtle 1
Yellow-rumped Warbler, Audubon's 4
Common Yellowthroat 1
Wilson's Warbler 2
Spotted Towhee 2
Song Sparrow 5
Lincoln's Sparrow 1
Dark-eyed Junco, Oregon 3
Dark-eyed Junco, Pink-sided 1
Rose-breasted Grosbeak 1

We have just a little over a week to go for this banding seasonour last 
day will be Sunday, October 11. We will be open every day until then EXCEPT 
Thursday, 10/8.  We are opening nets about 6:45, and running until noon or 
whenever it gets too hot or too 
windy or too whatever. School groups arrive about 9:30 a.m. most weekdays. 
 
Meredith McBurney
Biologist/Bander
Barr Lake Banding Station
Bird Conservancy of the Rockies 

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Re: [cobirds] Possible Arctic Tern, Chatfield Douglas, Co.

[Scott Somershoe]

I didn't see any terns at the sandpit or elsewhere around chatfield between
345-440.

Scott Somershoe
Littleton CO.

On Friday, October 2, 2015, Glenn and Laurie  wrote:

> Here are some pictures of the juvenile plumage, Arctic Tern from
> Chatfield.
>
> http://www.pbase.com/gwalbek/2015_birds
>
> He has been sitting on the end of the sandspit, taking off to fill up on
> gizzard shad and returning to the sandspit.  At first glance he could be
> overlooked as a Common Tern, but aging the bird helps determine it’s ID.
> The white secondaries with white-tipped, secondary coverts should not
> appear in any plumage Common Tern.  Additionally, Common Tern should show a
> dark secondary bar in all plumages except Alternate, which this bird
> clearly is not.
>
> Glenn Walbek
> Castle Rock, CO
>
>
>
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[cobirds] Green Heron, Lake Estes, Estes Park, Larimer Co. 10/2

[Jim Nelson]

We've been enjoying a nice fall visit in Colorado for the past week, but, until 
today, I didn't have anything special to report.


This morning we had a nice sunny walk in the Matthews-Reeser Bird Sanctuary at 
Lake Estes in Estes Park.  We were out on the pine covered peninsula that juts 
into the lake, when we heard an unusual sound.  My wife was the first to spot 
what turned out to be a hatch-year Green Heron.  It was perched in a ponderosa 
pine near the water and then flew to the marshy end of the inlet on the west 
side of the peninsula.  Checking eBird I found only one other report from the 
Estes Park/Rocky Mountain National Park area -- at Lake Estes on two days in 
May 2003, and no other reports for Larimer County above the edge of the 
foothills.  A nice county bird for us.


Jim Nelson
Bethesda, Maryland

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Re: [cobirds] Possible Arctic Tern, Chatfield Douglas, Co.

[Glenn and Laurie]

Here are some pictures of the juvenile plumage, Arctic Tern from Chatfield.  

http://www.pbase.com/gwalbek/2015_birds

He has been sitting on the end of the sandspit, taking off to fill up on 
gizzard shad and returning to the sandspit.  At first glance he could be 
overlooked as a Common Tern, but aging the bird helps determine it’s ID.  The 
white secondaries with white-tipped, secondary coverts should not appear in any 
plumage Common Tern.  Additionally, Common Tern should show a dark secondary 
bar in all plumages except Alternate, which this bird clearly is not.

Glenn Walbek
Castle Rock, CO

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[cobirds] Late Birds and Others, Boulder and Weld Counties

[Carl Starace]

 Hello, Yesterday morning Sally Swain and I spotted a perched
 Swainson's Hawk along 79th St. in Niwot just north of the transfer
station. We've been seeing one along this section of road all
season. Later, as I excited the car at the upper lot at Sandstone Ranch a
really dark Merlin took up from the bluff and cruised passed me pistons
humming, heading in the direction of Union Reservoir. This morning I had
just settled into the car after a hike at Rabbit Mountain when a Rednaped
Sapsucker flew into the closest tree. Had my first flock of,[10], Bushtits
in a while along the Eagle Wind Trail there as well. At midday I found an
Osprey atop a wooden post at the western end of Clover Basin Reservoir.
Nearby were 2 juvenile Little Blue Heron  perched above the mud on a
large metal pipe . Good October Birding All,  Carl Starace,  Niwot

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[cobirds] Possible Arctic Tern, Chatfield Douglas, Co.

[Glenn Walbek, Castle Rock, CO]

Folks,

I spent some time studying an interesting sterna tern on the Chatfield sandspit 
this morning.  The bird is small, with a small dark bill, except a reddish 
center and inner bill.  In flight, the primaries were fairly uniform gray with 
white secondaries and secondary covert tips.  The tips of the primaries are 
dark.  There was no hint of a dark secondary bar.  Resting, the primaries look 
a tad darker than the mantle with pale outlines, but gray not black. I suspect 
the bird is a juvenile (see worn juvenile in Sibley's guide).  I will upload 
some photos later.

Glenn Walbek
Castle Rock, CO

Sent from my Verizon Wireless 4G LTE DROID

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[cobirds] Audubon Guide iphone app available for free now

[Scott E. Severs]

Audubon has made their iphone bird guide app free on the App store. It's
pretty impressive and nicely designed. It also incorporates ebird data very
nicely. Kids have it so easy these days! :)

(No kick-backs given to this chap).

Scott E. Severs
Longmont, CO

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[cobirds] Common Mergansers-lots! At Chatfield

[Mary Geder]

As the fog lifted this morning over the Chatfield swim beach (Jefferson Co) 
about 250+ Common Mergansers were revealed. Mostly sleeping, resting. Probably  
more goodies out further but still a bit foggy. 
Mary Geder
Jefferson Co.
Sent from my iPhone

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[cobirds] White-throated Sparrow, Ken Caryl Valley, JeffCo

[David Suddjian]

Nice hatch year *White-throated Sparrow* feeding in the front yard right
now.

David Suddjian
Lilttleton, CO

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[cobirds] Colorado Rare Bird Alert, 2 October 2015

[Joyce Takamine]

Compiler:   Joyce Takamine
Date:  October 2, 2015
This is the Rare Bird Alert, Friday, October 2 sponsored by Denver Field
Ornithologists and the Bird Conservancy of the Rockies.

Highlight species include: (* indicates new information on this species).

Green Heron (Park)
Broad-Winged Hawk (Boulder, Montrose)
Red Phalarope (Douglas, Jefferson, Park)
Whimbrel (Weld)
Parasitic Jaeger (Pueblo)
Sabine's Gull (Douglas, El Paso, Jefferson, Larimer, Park, Pueblo)
Laughing Gull (Pueblo)
Lesser Black-backed Gull (Larimer, Weld)
White-winged Dove (Weld)
Red-bellied Woodpecker (El Paso)
American Three-toed Woodpecker (*Larimer, Park)
Eastern Phoebe (Douglas, Jefferson, Weld)
Black Phoebe (*Mesa)
Great Crested Flycatcher (Jefferson)
Philadelphia Vireo (Denver)
SEDGE WREN (Kiowa)
Curve-billed Thrasher (El Paso)
McCown's Longspur (Lincoln)
Ovenbird (El Paso)
Nashville Warbler (Arapahoe)
Eastern Towhee (Weld)
Swamp Sparrow (Adams)
Painted Bunting (Ouray)

ADAMS COUNTY:
--A Swamp Sparrow was banded by Meredith McBurney at Barr Banding Station
on September 29.

ARAPAHOE COUNTY:
--A Nashville Warbler was reported by David Hill and Cynthia Madsen at
Parker Jordan Centennial Open Space on September 30.

BOULDER COUNTY:
--An ad Broad-winged Hawk was reported by Bill Hutchinson in Sunshine
Canyon on September 30.

DENVER COUNTY:
--Del Rosso and Rurik reported a Philadelphia Vireo on the western edge of
Denver Botanic Gardens on Septembedr 23.  It was near the Japanese Gardens.
  On September 28, Del Rosso reported Philadelphia Vireo at Denver Botanic
Gardens and Cheesman Park.

DOUGLAS COUNTY:
--An adult Sabine's Gull was reported by Tom Behnfield at Chatfield SP east
of the marina spit on September 17.  The imm Sabine's Gull reported by
Kibbe on September 18 was seen again on September 19 from the Marina Spit.
--A Red Phalarope was reported by Doug Kibbe at Chafield Sp north of the
marina pit on September 18.  It was seen again on September 19 from the
spit.  There were multiple reports of this bird on the DFO website on
September 20.
--2 Eastern Phoebes were reported by Ben Sampson and Joey Kellner upstream
of Kingfisher Bridge at Chatfield SP on September 26.
--2 Eastern Phoebes were reported by Joey Kellner downstream of Kingfisher
Bridge at Chatfield SP on September 26.

EL PASO COUNTY:
--Goff reported a Sabine's Gull at Big Johnson Reservoir on September 18.
--Peterson Reported a Red-bellied Woodpecker at Ramah SWA on September 23.
--On September 29 an Ovenbird was banded at and on September 28 a
Curve-billed Thrasher was banded by Amanda Ziegelbauer at Chico Basin Ranch
(fee area).

JEFFERSON COUNTY:
--The imm Sabine's Gull and Red Phalarope were seen again at Chatfield SP
on the Jeffco side of the seem from the swim beach on September 21 by
Somershoe.  The Sabine's Gull continued on September 23.
--A Great Crested Flycatcher was reported by Gerald Baines at Bear Creek
Greenbelt from S. Kipling Pkwy to S. Wadsworth Blvd on September 25.
--An Eastern Phoebe was reported by Ben Sampson at Chatfield Swim Beach on
September 26.

KIOWA COUNTY:
--A SEDGE WREN was reported by Bill Kaempfer at Sand Creek National
Historic Site .25 miles east of entrance gate where CR 2 crosses Big Sandy
Creek on September 26.

LARIMER COUNTY:
--A juv Sabine's Gull was reported by Austin Hess at Fossil Creek Reservoir
on September 27.
--A non-breeding plumaged ad Sabine's Gulll was reported by Nick Komar on a
farm pon in the NE corner of Horseshoe Reservoir in Loveland off CR 28 on
September 27.
--A Lesser Black-backed Gull was reported by  Nick Komar, Austin Hess, and
David Wade at Horsehsoe Reservoir on September 27.
--An American Three-toed Woodpecker was reported by Chris Wood and Jessie
Barry on Fall River Road in Rocky Mt NP on October 1.

LINCOLN COUNTY:
--A McCown's Longspur was reported by Dale Adams on CR 41 on September 26.

MESA COUNTY:
--A Black Phoebe at the pond at Grand Junction Wildlife Area was reported
by Mike Henwood on September 28 and 29.  Mike Henwood reported Black
Phoebes at Grand Junction Wildlife Area on October 1.

MONTROSE COUNTY:
--A juv Broad-winged Hawk was reported by Coen Dexter along cliffs just S
of Columbine Pass on September 28.

OURAY COUNTY:
--Bill Day post photos of a female Painted Bunting at the Ridgeway banding
station on September 18.

PARK COUNTY:
--Suddjian reported 2 juv Sabine's Gulls and Eleven Mile Reservoir on
September 18 and on September 22 her reported an ad Sabine's Gull in
Alternate plumage there.
--Blakeslee reported a Green Heron at  Bailey on Septmeber 24.  Directions:
 At the bottom of Crow Hill ()hwy 285) turn left or east on CR 68 or the
Wellington Lake Road.  there is a Bailey Propane, a restaurant, and a
couple of businesses and then the sewage plant.  Just past the sewage plant
along cr 68 is a shall little pond with willows and cattails on the far
side.  The heron was fishing in this pond.
--An American Three-toed Woodpecker was reported by David Suddjian on CR 98
on September 28