[cobirds] Re: Orange ducks at Hecla Pond, Louisville, Boulder County

[Marcia Wade - Lafayette, Boulder County]

It's probably euglena, a unicellular, flagellated organism - an algae - 
that has both plant and animal characteristics.  The orange bloom of 
certain species of euglena  is toxic to fish,  I hope this is not the case 
at Hecla b/c if the fish disappear so will the birds.  I'm going to call 
the parks people and ask what they know about it.  

On Tuesday, March 31, 2020 at 7:03:41 PM UTC-6, Ted Floyd wrote:
>
> Hey, folks. In the go-figure category, many of the ducks at Hecla Pond, 
> Boulder County, have suddenly turned orange. Here are a few photos of mine 
> from the pond (top-bottom, male *bufflehead,* male *ring-necked duck,* 
> female *ring-necked duck,* male *lesser scaup,* female *lesser scaup):*
>
> [image: 01 orange Buff-m.jpg]
>
>
> [image: 02 orange RNDu-m.jpg]
>
>
> [image: 03 orange RNDu-f.jpg]
>
>
> [image: 04 orange LeSc-m.jpg]
>
> [image: 04 orange LeSc-m.jpg]
>
> [image: 05 orange LeSc-f.jpg]
>
>
> Even the turtles are getting in on the orange action:
>
> [image: 06 orange turtle.jpg]
>
> Other birds of late, some of them orange, some of them not, at the 
> Hecla/Waneka/Greenlee greater ecosystem include *common grackles, wood 
> ducks, killdeers, greater yellowlegses, cinnamon teals, horned grebes,* 
> territorial *Cooper hawks,* nest-building *American bushtits, bald 
> eagles, great horned owls,* a *ruby-crowned kinglet,* an *Audubon 
> warbler, American white pelicans,* plenitudinous *hooded mergansers* 
> gorging themselves on virile crayfish, and an enchanting *Townsend 
> solitaire.*
>
> Say, on an astronomical note, we have some amazing stuff going on right 
> now. In the morning sky, the planets Jupiter, Saturn (notably bright), and 
> Mars are still in near-conjunction; it was a bit better a few nights ago, 
> but it's still real good. And on the evening of Apr. 3, Venus passes 
> through the Pleiades! It's all viewable while social distancing and 
> sheltering in place.
>
> Ted Floyd
> Lafayette, Boulder County
>

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[cobirds] Buteo use of Transmission Towers & Lines - Arapahoe

[Jared Del Rosso]

I have a view of transmission towers & lines from my yard in Centennial 
(Arapahoe County). Only a birder would think that an asset. I have regular 
sightings of Red-tails and occasional Cooper's Hawk sightings. on the 
towers The towers have also yielded me a Peregrine Falcon Sighting. Merlins 
and Kestrels are occasional users of it as well. 

The Red-tails only perch on the towers, not the actual lines. (Cooper's 
seem to prefer the towers too; though uncommon in my immediate 
neighborhood, Kestrels can be found on both.) You can tell the Swainson's 
Hawks are back, because you'll see them on both. The Red-tails appear out 
(at least over the past few days) earlier in the day. The Swainson's appear 
out in the mid-to-late afternoon. 

Can anyone think of reasons for these differences, or should I chalk it up 
to the selective and non-systematic nature of my observations?

- Jared Del Rosso, apparently missing all the Broad-wings...
Centennial, CO

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[cobirds] Sorry Franklins gulls at Lagerman

[elena]

I was looking at the phone in the sun, sorry for the mistake! 

Sent from my iPhone
Elena Holly Klaver
Federally Certified Court Interpreter
Conference Interpreter
English <> Spanish
303 475 5189

Member: American Translators Association
Colorado Translators Association 
Pronouns: she, her, hers

I acknowledge that I live in the territory of Hinóno’éí (Arapaho), Cheyenne and 
Ute Nations, according to the 1851 Treaty of Fort Laramie, and that Colorado’s 
Front Range is home to many Native peoples. Reconozco que vivo en el territorio 
de las naciones Hinóno’éí (Arapaho), Cheyenne y Ute, según el 1851 Tratado de 
Fort Laramie, y que el estado de Colorado al esté de las Montañas Rocosas es 
territorio de muchos pueblos indígenas. 


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[cobirds] More white faced ibis and Bonaparte’s gulls at Lagerman

[elena]

Lagerman Reservoir in Boulder county continues to delight. This morning there 
were more white faced ibis hunkered down in high winds (which give the water an 
interesting light turquoise green color) and there is a large flock of 
Bonaparte’s gulls. Also FOS for this place tree swallows and continuing 
turnover of ducks, with greatly reduced ruddy ducks, who had been busting the 
eBird filters for awhile with their numbers. 


Sent from my iPhone
Elena Holly Klaver
Federally Certified Court Interpreter
Conference Interpreter
English <> Spanish
303 475 5189

Member: American Translators Association
Colorado Translators Association 
Pronouns: she, her, hers

I acknowledge that I live in the territory of Hinóno’éí (Arapaho), Cheyenne and 
Ute Nations, according to the 1851 Treaty of Fort Laramie, and that Colorado’s 
Front Range is home to many Native peoples. Reconozco que vivo en el territorio 
de las naciones Hinóno’éí (Arapaho), Cheyenne y Ute, según el 1851 Tratado de 
Fort Laramie, y que el estado de Colorado al esté de las Montañas Rocosas es 
territorio de muchos pueblos indígenas. 


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[cobirds] Re: Migration Weather Advisory: Staying put til Sunday

[John Malenich]

Thank you Bryan!!!  These reports are super useful and much appreciated.  
Keep 'em coming if you can!

John Malenich
Boulder, CO 

>
>

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[cobirds] Eyes on the skies

[Steven Rash]

Hi all! 

Just a reminder to look up in the clouds while you’re out in your yard or out 
birding in general. This habit netted my fiancé and I our first recorded 
Broad-Winged hawk from our yard this morning. In fact there were three of them! 
These birds have a tendency to migrate in large flocks, and the sustained winds 
out of the north west may be pushing them off the front range over the city 
today. So, in short, keep your eyes on the skies. 

I’d much rather be seeing a lifer Louisiana Waterthrush right now, but this is 
a decent consolation prize. 

Happy Birding

Steve Rash
Denver Co. 

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[cobirds] FREE presentation by Bird Conservancy of the Rockies April 29

[Peter Burke]

On April 29, the Denver Museum of Nature and Science is offering a free
presentation by Arvind Panjabi, Conservation Scientist for Bird Conservancy
of the Rockies, on the groundbreaking research that led to the shocking
announcement last year that over three billion birds have disappeared from
North America since 1970.

There is no fee to attend, but registration is required and attendance
limited. Visit
https://secure1.dmns.org/canaries-in-the-mine-three-billion-birds-lost-virtual
for more information and to register.



Peter Burke

7988 James Court Niwot, CO 80503

(973) 214-0140

Flickr   LinkedIn


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[cobirds] Amazing photo compilation of shrike kills

['arvind panjabi' via Colorado Birds]

Dear Cobirders,  I wanted to share this amazing compilation of photos taken by 
Colorado’s own Rachel Hopper of the diverse assemblage of prey captured, killed 
and hung out to dry by Loggerhead Shrikes (aka butcherbirds).  Enjoy!
https://www.audubon.org/news/this-stunning-photo-project-showcases-loggerhead-shrikes-gory-deeds
 
Arvind PanjabiFort Collins, CO 

Sent from Yahoo Mail for iPhone

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[cobirds] Caspian Terns, Clarks Grebes at south end of Boyd Lake, Loveland

[paulopler]

Yesterday (April 22), there were at least 3 Caspian Terns foraging and calling 
over the southern portion of Boyd Lake; there were also at least 4 Clarks 
Grebes courting in the same area for the past 4 days. There is limited parking 
to  access this area and the closest open parking at the Seven Lakes area at 
the eastern end of Park Drive. A closer place is at the east end of Hampstead 
Drive which has only 4-5 places to park.

Paul Opler
Loveland, CO
pauloplerATcomcast.net
970-667-8448

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[cobirds] FOS Rougn-Winged nesting pair Jefferson Co

[David Gulbenkian]

A nesting pair of Northern Rough-Winged Swallows are back at the
precise location in the bank of Clear Creek in the Wheatridge GB
which hosts a nest every year.

David Gulbenkian  
Lakewood

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[cobirds] Re: Louisiana Waterthrush -- Larimer County

[John Shenot]

The Louisiana Waterthrush was very cooperative this morning and seen by 
many birders. I'm only posting here to note that this is a first county 
record for Larimer County, according to the updated checklist published by 
Fort Collins Audubon Society in November 2017. Our checklist is based on 
all available historical records we can find, not just eBird but also the 
CFO's Colorado Bird Records Committee data. Andy Bankert even searched CSU 
records back more than a century. So, perhaps this species has been seen 
here before, but this is the first documented sighting in the county.

Congrats to Jessie and Matthew on this find, thanks for sharing it, and 
please file a report with the Records Committee!

John Shenot
Fort Collins, CO
President, Fort Collins Audubon Society

On Wednesday, April 22, 2020 at 8:49:46 PM UTC-6, Caleb A wrote:
>
> Hello CObirders,
> I chased a Louisiana Thrush that was initially reported by Jessie Reese 
> and Matthew DeSaix at Spring Park, Larimer County 
> . It was still there, and although 
> the sun was down, I managed to get a few photos.
> Checklist: https://ebird.org/checklist/S67653417
> Hopefully this migrant sticks around through the night! This was a fun 
> county life bird to see. Good luck to any chasers tomorrow!
> *The birds are happy, and so am I*
> *~Caleb Alons, Larimer County*
>

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[cobirds] Nest usurped by horned owl

[Laura Gorman]

Last year (and perhaps previous years?), there was a nest of red- tailed 
hawks along the Riverwalk/Arkansas River in Cañon City.  I checked today to 
see if the hawks were getting started again in the same nest, but 
discovered a Great Horned Owl sitting in the nest.  I will check again to 
see how the situation unfolds.
At least 20 yellow rumpled warblers today along that Riverwalk trail.
Laura Gorman
Cañon City, Fremont County, Colorado

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[cobirds] COLORADO RARE BIRD REPORT for Thursday, April 23, 2020

['Allison Hilf' via Colorado Birds]

Date: Thursday, April 23, 2020
Email: RBA  AT cobirds.org 
Compilers:  Allison Hilf and Ira Sanders;Ahilf AT me.com
Phone:  303-888-5110
_
 
The Colorado Rare Bird report is an informational service. 
Because of statewide coronavirus “Stay at Home” orders, the purpose of this 
report is to keep homebound readers abreast of rare bird sightings across the 
state during spring migration.
It does NOT endorse or encourage illegal travel to see or "chase" rare birds 
beyond your own local area.
 
Once again, we must urge readers to respect state and local restrictions on 
non-critical travel and limits on outdoor activities that include birding.
Please bird ONLY at or close to home and ONLY with universally promoted safety 
precautions, including physical “social distancing” and face coverings.
Or, as Dave Leatherman noted this week, “Be like a Cedar Waxwing . . . very 
compliant in their wearing of masks.”
__
 
Birders have been helpful by reporting updates to COBirds. Thanks!
CAPITAL LETTERS denote very rare species, as listed by the Colorado Bird 
Records Committee at the CFO website.
(*) indicates new information on a species.
For more information on birds seen today, go to cobirds.org 
 and scroll to the bottom for “Recent eBird Sightings.”

 
Spring migration notes: 
Tuesday was the day to see huge flocks of Whimbrels and Curlews.   A few days 
prior we saw  raptor migration is in full swing with kettles of Broad-winged 
Hawks and Turkey Vultures.  Some Cassin’s Finches are continuing to be reported 
around the State, but at much fewer numbers than the mass migration we saw with 
last week’s snow.
Dribbling in are Broad-tailed, Black-chinned Calliope Hummingbirds (a FOS 
Calliope was reported in Fruita on April 22);  phoebes, sparrows and longspurs.
Shorebirds (sandpipers, plovers, phalaropes, Dunlins, many curlews, and many 
godwits) are still showing up at shores and flooded fields.
And did somebody say “warblers”?  They are starting….
What’s in your yard or near your home?  Let us know on COBirds.
_
 
Rare, out-of-place and some out-of-season species reports are listed below. 
Birds that are within a few weeks of typical patterns are not listed below:
 
BLACK-BELLIED WHISTLING-DUCK (Otero)
Long-tailed Duck (Arapahoe, Jefferson, Larimer)
Clark’s Grebe (Ouray)
Snowy Plover (Montezuma)
Long-billed Curlew (Multiple counties, see COBirds for details)
Marbled Godwit (Multiple counties, see COBirds for details)
Dunlin (Boulder)
Solitary Sandpiper (Montezuma)
Glaucous-winged Gull (*Larimer)
Pacific Loon (Montezuma)
Yellow-billed Loon (Jefferson)
Neotropic Cormorant (Bent)
Cattle Egret (Archuleta)
Glossy Ibis (*El Paso, Grand, La Plata)
Broad-winged Hawk (MANY reports ON 4/18 and 4/19)
Black Phoebe (Larimer)
Gray Flycatcher (Ouray)
White-eyed Vireo (Pueblo)
Yellow-throated Vireo (*Jefferson, *Pueblo)
Winter Wren (Fremont)
Carolina Wren (Bent)
Eastern Bluebird (Chaffee)
Northern Mockingbird (Boulder)
Black Rosy-Finch (Eagle
Chestnut-collared Longspur (Adams, Boulder)
McCowns Longspur (Douglas, El Paso)
Golden-crowned Sparrow (*Denver)
Sagebrush Sparrow (Denver, El Paso, Jefferson)
Swamp Sparrow (*La Plata)
Rusty Blackbird (*El Paso)
LOUISIANA WATERTHRUSH (*Larimer)
Tennessee  Warbler (Larimer)
Hooded Warler (Bent)
Northern Parula (Bent)
Summer Tanager (El Paso)
 
_
 
ADAMS COUNTY:
—On April 17 a Chestnut -collared Lonspur was reported at Rocky Mountain 
Arsenal on the Wildlife Drive at approx. .5 mile (northern leg), by Bob Shade.
 
ARAPAHOE COUNTY:
—On April 19 a Long-tailed Duck was reported at Quincy Reservoir.  First 
reported April 3 by G Stacks.
 
ARCHULETA COUNTY:
—On April 18 a Cattle Egret was reported in Pagosa Springs at Village Lake by 
Charles Martinez.   There are no previous eBird records for Archuleta County.
   
BENT COUNTY:
—On April 20 a Neotropic Cormorant was reported at John Martin Reservoir at 
Lake Hasty for the 21st day. (Multiple obs)
---On April 20 a Northern Parula was reported at John Martin Reservoir SWA by 
Duane Nelson.
 —On April 19 a Hooded Warbler and a Carolina Wren were reported on the west 
end of John Martin Reservoir, within John Martin SWA by Duane Nelson.

BOULDER COUNTY:
—On April 19 a Northern Mockingbird was reported at the South Mesa Trailhead 
parking area by Curt Brown.
—On April 19 a Chestnut-collared Longspur was reported in Longmont at Pipit Rd 
east of N. 119th Street.  First reported on April 17 by John Rutenbeck.
—On April 18 twelve Dunlin were reported at Lagerman Agricultural 
Preserve/Lagerman Reservoir near one of the spits on the west side of reservoir 
by Karen and David Coupland.
 
CHAFFEE COUNTY:
—On April 17 an Eastern Bluebird was reported at Mount Ouray State Wildlife 
Area by Sally Waterhouse.