Re: [cobirds] Snowy Egret Using Bill Vibration to Fish/Larimer

['Deborah Carstensen' via Colorado Birds]

What’s the purpose of the vibration? How does that attract fish? Deb 
Carstensen, Littleton 

Sent from my iPhone

> On Aug 31, 2018, at 8:07 AM, Rachel  wrote:
> 
> COBirders, 
> 
> Yesterday at Long Pond, Ft. Collins, Larimer County, I shot some video of a 
> Snowy Egret using bill vibration to hunt fish. This is a known behavior 
> (which I have never seen before) that is very interesting to watch. You can 
> see the video on YouTube at the link below. It is available in HD and I would 
> suggest making the video as large as possible to really see what the egret is 
> doing.
> 
> https://youtu.be/NPqmaTXLr_E
> ---
> Rachel Hopper
> Ft. Collins. CO
> r-hop...@comcast.net
> 
> 
> 
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[cobirds] Piping Plover at Prewitt

[Charles Hundertmark]

There was a Piping Plover at Prewitt Reservoir this morning hanging with two 
Semipalmated Plovers. There was a nice variety of shorebirds yesterday and 
today including Stilt and Pectoral Sandpipers. The opening of dove season, 
however, makes things noisy. However, no Red Knot, though with the number of 
shorebirds moving about, it might still be present.

Chuck Hundertmark
Lafayette, CO

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[cobirds] Bird Conservancy Banding Report - Barr Lake Station, 9/1/18

[Meredith . McBurney]

Not much happening today - banded 31 of the usual early September species;

Downy Woodpecker 1
Western Flycatcher 1
House Wren 3
Orange-crowned Warbler 3
Yellow Warbler 2
MacGillivray's Warbler 2
Common Yellowthroat 1
Wilson's Warbler 18

We will be open 6 days per week (closed Mondays), weather permitting, 
through October 14. We are opening nets at 6:30 and should have birds back 
at the station by 7:15. We will close most days by about 11:30 (closing 
earlier now because of heat). School groups arrive most weekdays at about 
9:30. The best time to visit (fewest people, most birds) is before 9:30 
weekdays and Sundays.

Come visit!

Meredith McBurney
Bander
Barr Lake Station
Bird Conservancy of the Rockies

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Re: [cobirds] White Ibis?

[David Chartier]

I answered David on this, but I should have hit "reply all."  I could not
find it this morning.  It was the first day of dove hunting season, and
there were gunshots going off constantly.  I did not go down the two-track
road, because there was a lot of gunfire coming from there.  There was also
someone actually hunting in the marsh.

David Chartier
Colorado Springs, CO

On Sat, Sep 1, 2018 at 2:36 PM Duane Nelson  wrote:

> To the best of my knowledge, the Bent County White Ibis has not been seen
> as of 2:30 today. That doesn't necessarily mean it's not around, as many
> people have not seen it on their first attempt, and no one knows where it
> spends time when it's not on the mudflat.
>
> Sincerely,
> Duane Nelson, Las Animas, Bent CO
>
>
>
> On 9/1/2018 11:26 AM, David Tønnessen wrote:
>
> Anyone know if the White Ibis in Bent County has been seen in the last two
> days?
>
> Thanks,
> David Tonnessen
> Colorado Springs
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Re: [cobirds] White Ibis?

[Duane Nelson]

To the best of my knowledge, the Bent County White Ibis has not been 
seen as of 2:30 today. That doesn't necessarily mean it's not around, as 
many people have not seen it on their first attempt, and no one knows 
where it spends time when it's not on the mudflat.


Sincerely,
Duane Nelson, Las Animas, Bent CO



On 9/1/2018 11:26 AM, David Tønnessen wrote:
Anyone know if the White Ibis in Bent County has been seen in the last 
two days?


Thanks,
David Tonnessen
Colorado Springs
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[cobirds] First Creek - Adams and Denver Sides

[birdingbreitsch]

Both the Denver Open Space trail and the Rocky Mountain Arsenal trail had a 
variety of species this morning ( Saturday, 9/1/18).  On the Denver side, a 
sleepy Great Horned Owl rested near the creek, a Wilson's Snipe flew around 
in the area of Pena Blvd, and sparrows enjoyed the fields north of the 
trail.

Over on the Arsenal trail, there was a Ruby-crowned Kinglet, Hammond's 
Flycatcher and another unidentified empid, warblers, sparrows, a 
Ferruginous Hawk, and a Cooper's Hawk.  

Both sides had Lazuli Buntings and a couple of interesting species crossed 
Buckley to be recorded in both counties, but not until they confused me 
first.  The situation was that I saw what I believed to be a Lincoln's 
Sparrow, but it dove into a small bushy tree near the creek before I could 
get a positive ID.  I moved around to the concrete edge to get a look and 
the bird I next saw in that tree wasn't the sparrow but a Red-eyed Vireo.  
It flitted about and then tucked under a few leaves only to appear moments 
later, this time as a Gray Catbird.  What?  Where the heck did the sparrow 
go?  Or the Vireo for that matter.  The same thing happened to me earlier 
along the first north turn in the creek on the RMA trail.  I was watching a 
Ruby-crowned Kinglet which turned into - in order - a Wilson's Warbler, 
House Wren, Yellow Warbler, Orange-crowned Warbler, and then some kind of 
flycatcher.  I'm telling you, avian transmogrification sure does make bird 
identification difficult.  

John Breitsch
Denver, CO
https://www.flickr.com/photos/breitschbirding/ 

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[cobirds] N Waterthrush, CSR, El Paso Co, Sat

[Steven Brown]

Hey COBirders,

Another good morning of banding at Clear Spring Ranch today. About 745 there 
was a big arrival, with lotsa Wilson’s Warblers, Chipping Sparrows, an FOS 
Warbling Vireo 
(AD F, by brood patch remnants), singles of Brewer’s Sparrow and Clay-colored 
Sparrow, and Northern Waterthrush #14 for the season. 39 birds banded.

Then by 900 it was dead. Still very few local birds around, with sightings of a 
single Blue Jay, one Am Robin, a bunch of starlings on the way out, and the 
daily three flocks of
mixed age Turkeys along the road. But that was it.

Have a good weekend,
Steve Brown
Colo Spgs

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[cobirds] Barr Lake birding

[Jamie Simo]

Hi all, Barr Lake State Park is hopping with migrants. There's been a 
Black-bellied Plover hanging out for the last few days. This morning there were 
Wilson's Phalaropes, Franklin's Gulls, and Orange-crowned and Wilson's 
Warblers. There was even a Rock Wren hanging out by the end of the gazebo trail.

Jamie Simo
LONGMONT

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[cobirds] White Ibis?

[David Tønnessen]

Anyone know if the White Ibis in Bent County has been seen in the last two 
days?

Thanks, 
David Tonnessen
Colorado Springs

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[cobirds] Ken Caryl Valley note 9/1

[David Suddjian]

This morning I was surprised to see a *Wilson's Phalarope* flying a few
laps around my home area, passing over rather low at times. And an active
flock of about 25 *Mountain Bluebirds* was accompanied by at least 14
*Yellow-rumped
Warblers*, both first of season migrants for my local area. That was a lot
of Yellow-rumps for my area on this date, too, but they were in close
association with the bluebirds (as they like to be) and maybe they all just
came down from the mountains together.

Hummers are still pretty active at my feeders, nearly all female/imm
lately. *Broad-tailed *predominate, then *Rufous*, and I see 1-2 *Calliope*
daily still.

David Suddjian
Ken Caryl Valley
Littleton, CO

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[cobirds] Colorado Rare Bird Alert, 1 September 2018

[Joyce Takamine]

Date: September 1, 2018
Compiler: Joyce Takamine
e-mail: RBA AT cobirds.org

This is the Rare Bird Alert for Saturday, September 1 sponsored by Denver
Field Ornithologists and the Bird Conservancy of the Rockies.

Note that the RBA is using the new AOU checklist.
Rare and out of range species for the last seven days include: (*indicates
new information on this species)

Snow Goose (*Prowers)
Cackling Goose (Adams, Larimer, Summit, Weld)
Trumpeter Swan (Archuleta)
Tundra Swan (*Prowers)
Wood Duck (Gunnison)
Surf Scoter (Mesa)
Common Goldeneye (Chaffee)
Hooded Merganser (*Routt, Weld)
Northern Bobwhite (Larimer)
Chukar (Larimer)
Horned Grebe (Bent, Washington)
Yellow-billed Cuckoo (Bent, Larimer)
Greater Roadrunner (Otero)
LESSER NIGHTHAWK (Kit Carson)
Black Swift (Rio Grande)
White-throated Swift (Kiowa)
Virginia Rail (*Montezuma)
Sora (*Montezuma)
Sandhill Crane (Custer, Delta)
American Avocet (*Summit)
Black-necked Stilt (Arapahoe, Weld)
Black-belllied Plover (*Adams, *Morgan, *Washington)
Semipalmated Plover (Larimer, *Washington)
Long-billed Curlew (*Eagle, *Washington)
Marbled Godwit (Washington)
RED KNOT (Washington)
Stilt Sandpiper (Larimer, *Washington, Weld)
White-rumped Sandpiper (Prowers)
Buff-breasted Sandpiper (*Baca, Washington)
Pectoral Sandpiper (*Washington, Weld)
Semipalmated Sandpiper (Larimer, *Mesa, Park, *Washington)
Solitary Sandpiper (Gunnison, La Plata, Larimer *Mesa, Pueblo, Rio Grande,
*San Miguel, Washington, Weld)
Willet (Mesa, Washington)
Red-necked Phalarope (Mesa)
Red Phalarope (*Morgan)
Herring Gull (*Morgan, *Washington)
Lesser Black-backed Gull (Larimer, *Morgan, Weld)
Least Tern (Bent)
Caspian Tern (Washington, Weld)
Black Tern (*Morgan, Washington)
Common Tern (*Washington)
Little Blue Heron (Weld)
Green Heron (*Denver)
Black-crowned Night-Heron (Montezuma)
YELLOW-CROWNED NIGHT-HERON (Yuma)
WHITE IBIS (*Bent)
Glossy Ibis (Adams)
Mississippi Kite (*El Paso, *Jefferson, Otero)
Lewis’s Woodpecker (Archuleta)
Red-headed Woodpecker (*Baca, *Denver, Logan, Otero, Weld, Yuma)
Red-naped Sapsucker (El Paso)
Ladder-backed Woodpecker (El Paso, Otero)
Hairy Woodpecker (*Baca, *El Paso)
Merlin (Boulder, *Larimer)
Peregrine Falcon (*Mesa, *Routt)
Olive-sided Flycatcher (El Paso)
YELLOW-BELLIED FLYCATCHER (Pueblo)
Willow Flycatcher (Adams, Bent,  Larimer, Weld)
Least Flycatcher (Kiowa)
Hammond’s Flycatcher (Adams, Boulder, El Paso)
Gray Flycatcher (La Plata, *Montrose)
Dusky Flycatcher (Adams, El Paso, Larimer, Otero)
Cordilleran Flycatcher (Adams, El Paso, *Mesa)
Black Phoebe (Mesa)
Eastern Phoebe (Adams)
Vermilion Flycatcher (Otero)
Ash-throated Flycatcher (Logan)
Great Crested Flycatcher (*Baca, Yuma)
Cassin’s Kingbird (*Baca, El Paso, Otero)
Eastern Kingbird (Montrose)
Gray Vireo (*Montrose)
Cassin’s Vireo (Adams, El Paso, Jefferson, Mesa, Rio Grande, Weld)
Philadelphia Vireo (Boulder)
Warbling Vireo (Eastern) (*Baca)
Red-eyed Vireo (*Baca, El Paso, Washington)
Canada Jay (El Paso)
Woodhouse’s Scrub-Jay (Denver, El Paso, *Montrose)
Purple Martin (Larimer)
Violet-green Swallow (Weld)
Bushtit (La Plata)
Marsh Wren (Arapahoe)
Carolina Wren (Kiowa)
Blue-gray Gnatcatcher (El Paso, Logan, Mesa, *Montrose, San Juan,
Washington, Weld)
Townsend’s Solitaire (*Adams, Weld)
Curve-billed Thrasher (*El Paso, Pueblo)
Brown Thrasher (*El Paso, *Weld)
Sage Thrasher (*El Paso, Jefferson, *Weld)
American Pipit (Mesa)
Pine Siskin (*Baca)
Clay-colored Sparrow (*Denver, Otero, Yuma)
Brewer’s Sparrow (*Denver)
Field Sparrow (*Denver, Yuma)
Lark Bunting (*Montrose)
Grasshopper Sparrow (*Denver)
Fox Sparrow (Gunnison)
Baltimore Oriole (*Prowers, Yuma)
Northern Waterthrush (El Paso, La Plata)
Black-and-white Warbler (*Adams, Mesa)
Tennessee Warbler (*Jefferson)
Nashville Warbler (Mesa)
CONNECTICUT WARBLER (Larimer)
Hooded Warbler (Arapahoe)
Northern Parula (Clear Creek, La Plata)
Blackburnian Warbler (*Larimer, Yuma)
Chestnut-sided Warbler (*Adams)
Yellow-throated Warbler (*Pueblo)
Black-throated Gray Warbler (Boulder, El Paso)
Townsend’s Warbler (*Adams, Adams, El Paso, Larimer, *Montrose)
CANADA WARBLER (El Paso)
Summer Tanager (*Morgan)
Northern Cardinal (Yuma)
Indigo Bunting (Otero)
Painted Bunting (Otero)

ADAMS COUNTY:
---On August 26 at Barr Lake Banding Station Area, Steve Rash reported
Glossy Ibis and Townsend’s Warbler.  On August 28 at Barr Lake Banding
Station, Meredith McBurney banded Townsend’s Warbler.  On August 29 at Barr
Lake Banding Station, Meredith McBurney banded Willow Flycatcher,
Cordilleran Flycatcher, and Cassin’s Vireo.  On August 30 at Barr Lake
Banding Station, Meredith McBurnery banded Townsend’s Warbler.  On August
31 at Barr Lake Banding Station, Gwen Moore, Colin Woolley, and Adam Cupito
reported Chestnut-sided Warbler.  On August 31 at Barr Lake Banding
Station, Meredith McBurney banded Chestnut-sided Warbler and Townsend’s
Warbler.
---On August 26 at Rocky Mountain Arsenal NWR, Felice Lyons and Bez
Bezuidenhout reported 5 Bushtits, Dusky Flycatcher, Willow Flycatcher, and