[cobirds] Rusty Blackbird, etc., Greenlee Preserve & environs, Boulder Co., Apr. 26

[Ted Floyd]

Hey, everybody

I saw an adult female Rusty Blackbird earlier today, Thursday, Apr. 26, at 
Waneka Lake, Boulder County. The bird was at the north shore mini-"beach," 
just beyond the southeast corner of Greenlee Preserve. Also today at the 
Waneka/Greenlee/Hecla/Thomas ecological complex: Hooded Merganser, American 
Avocet, Wilson's Snipe, Wilson's Phalarope, Solitary Sandpiper, Lesser 
Yellowlegs, House Wren, and Orange-crowned Warbler. Earlier in the week at 
the same site: Wood Duck, Horned Grebe, Broad-winged Hawk, Franklin's Gull, 
American Pipit, Brewer's Sparrow, and Vesper Sparrow.

A few other Boulder County odds and ends this past week: Greater Scaup 
(Erie Reservoir, 4/21), Semipalmated Plover (Lagerman, Reservoir, 4/24), 
Marbled Godwit (Hiram Prince Reservoir No. 2, 4/21), Semipalmated Sandpiper 
(Cottonwood Marsh, 4/21), and Gray Flycatcher (Bear Creek Trail, 4/22).

Photos, audio, and video at eBird and Facebook.

Ted Floyd
Lafayette, Boulder County

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[cobirds] Willets, El Paso County

[Suke C Lee]

Early this evening there were 11 Willets at Drake Lake, Mallard Rd, 
Falcon/Peyton area.
15-20 White-faced Ibis were feeding in the western part of the field 
(irrigated) on Kane, Fountain, this afternoon. Kane intersects Shumway.
Cecile Lee
Elbert, CO

Sent from my iPhone

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Re: [cobirds] Re: ??? Possible Snowy Owl near Golden Ponds in Longmont

[Susan Wise]

One of the responses I received was from Bill Kaempher:

‘There is a very pale GHOW sub-species from the arctic that does appear
here on occasion (I’ve seen one once, and there was one reported this year
in Nebraska).  In the report below, the words “hooting loudly and sitting
in top of a large cottonwood” Make it almost certain that this observation
was of a Great Horned Owl.  Snowy Owls would never sit at the top of a
large cottonwood, and I don’t believe they vocalize the way described.’

I don’t have much experience with Snowy Owls (besides Hedwig) so I didn’t
even think about the description of the Owl vocalizing.  And now I’m
wondering... did Hedwig vocalize???  Whatever species it is, it is
stunning.  As we live in this area, we will keep an eye and ear out.
Hopefully it will reappear.

On Thu, Apr 26, 2018 at 3:04 PM Susan Wise 
wrote:

> So I’ve received numerous emails...
> I can only speak to what I myself saw (very briefly).
> Yes, it could have been a light morph Great Horned Owl.  The nesting
> density on the west side of Longmont is ridiculously high.
> Yes, it could have been a Barn Owl.  After Great Horned, that’s the
> highest probability in this location.
> No, I didn’t hear any sound therefore I don’t have a recording.
> The location where I saw it fly is directly East of Golden Ponds where the
> St Vrain intersects with Airport Road.  The is private property - a farm.
> Joe - I understand the skepticism.  When Maikel told me last year that he
> just saw a Scarlet Tanager north of Boulder , I said, ‘Are you sure it
> wasn’t a Vermillion Flycatcher?’  If looks could kill.
>
>
>
>
>
>
> On Thu, Apr 26, 2018 at 1:15 PM Joe Roller  wrote:
>
>> eBird shows that there have been no records of Snowy Owl anywhere near
>> Colorado since early April this year.
>> Could happen, but I'm skeptical.
>> Sharon, do you have any way of finding out whether the recently released
>> owl was young or adult,
>> male or female?
>>
>> Joe Roller, Denver
>>
>> On Thu, Apr 26, 2018 at 12:55 PM, Sharon Kay 
>> wrote:
>>
>>> A snowy owl was recently released from a raptor center. Perhaps the
>>> same. No way to know.
>>>
>>>
>>> On Thursday, April 26, 2018 at 10:32:32 AM UTC-6, Susan Wise wrote:

 Interesting.
 Maikel and I were out strolling Golden Ponds in Longmont (Boulder
 County) yesterday evening (4/26).  A large white bird the size and shape of
 a Great Horned Owl flew over.  It was very white.  It's head was the blocky
 shape of an owl.  I hollared to Maikel (the one with binoculars) but he was
 too far behind to get on it.  So I just let it go with a shrug.
 Today, I was perusing the Bird Trax at the bottom of the CFO website.
 And what do I see?  A report of a Snowy Owl.

 Location
 Longmont Estates, Boulder County, Colorado, US ( Map
 
  )
 Date and Effort
 Tue Apr 24, 2018 10:20 PM  NocturnalProtocol:StationaryParty Size:3
 Duration:15 minute(s)Observers:Mindy Mullen
 Species
 1 species total
 1
 Snowy Owl

 Almost all White all over, very large, observed hooting loudly and
 sitting in top of a large cottonwood. I am pretty darn sure it was a snowy
 owl. We are near several large ponds.


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> 303-819-4863
>
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[cobirds] Dinosaur Ridge - Bird Conservancy of the Rockies (26 Apr 2018) 18 Raptors

[reports]

Dinosaur Ridge - Bird Conservancy of the Rockies
Colorado, USA
Daily Raptor Counts: Apr 26, 2018
---

SpeciesDay's CountMonth Total   Season Total
-- --- -- --
Black Vulture0  0  0
Turkey Vulture   1 82 84
Osprey   0  6  6
Bald Eagle   0  2  5
Northern Harrier 0  2  2
Sharp-shinned Hawk   3 17 21
Cooper's Hawk3 30 38
Northern Goshawk 0  1  2
Red-shouldered Hawk  0  0  0
Broad-winged Hawk0  4  4
Red-tailed Hawk  6 62230
Rough-legged Hawk0  0  1
Swainson's Hawk  0  4  4
Ferruginous Hawk 0  2  4
Golden Eagle 0  3 11
American Kestrel 1 17 31
Merlin   0  0  0
Peregrine Falcon 1  3  4
Prairie Falcon   1  2  4
Mississippi Kite 0  0  0
Unknown Accipiter1 10 14
Unknown Buteo0 16 21
Unknown Falcon   0  3  3
Unknown Eagle0  2  2
Unknown Raptor   1  7  8

Total:  18275499
--

Observation start time: 07:30:00 
Observation end   time: 14:00:00 
Total observation time: 6.5 hours

Official Counter:Heidi Hayes, Roger Rouch

Observers:Heidi Hayes, Joel Chapa, Mitchell Blystone, Rob Reilly

Visitors:
A few curious hikers.


Weather:
In spite of moderate temperatures in the mid 30's and 40's, a brisk
northeastern wind around 3 Bft, a mostly cloudy day, and higher humidity
gave a chill to the air. Moderate atmospheric haze.

Raptor Observations:
The flight pattern today included many raptors close to the ridge above and
below eye level, apparently using ridge lift and wind rather than thermals.
 Some made northern flight seem effortless against a northern wind. Flat
light and some haze lead to many identifications by silhouette and flight
characteristics. Local falcons were sighted more than once and a Peregrine
and Prairie Falcon gave every indication of migrating and were added to the
tally. Local Red-tailed were active often below eye level.  Also a local
Cooper's and a few local Turkey Vultures.

Non-raptor Observations:
Songbirds travelling in small groups of 2s,3s or more were common
especially in the early hours.  Some were speculated as Yellow-rumped
Warblers and two Yellow-rumped landed in the dead pine near the platform. 
Some unk. swallows and others not identified.  Also seen or heard were
Broad-tailed Hummingbird, Western Meadow Lark, American Robin, Common
Raven, Woodhouse's Scrubjay, White-throated Swift,Black-Billed Magpie, Rock
Pigeon, Morning Dove, chickadee, and Dark-eyed Junco. 

Report submitted by Matthew Smith (matt.sm...@birdconservancy.org)
Dinosaur Ridge - Bird Conservancy of the Rockies information may be found at:
http://www.birdconservancy.org/


More site information at hawkcount.org:  
http://hawkcount.org/siteinfo.php?rsite=123

Site Description:
Dinosaur Ridge is the only regularly staffed hawkwatch in Colorado and is
the best place in the world to see migrating Ferruginous Hawks. Dinosaur
Ridge may be the best place in the country to see the rare dark morph of
the Broad-winged Hawk (a few are seen each spring). Hawkwatchers who linger
long enough may see resident Golden Eagles, Red-tailed Hawks and Prairie
Falcons, in addition to migrating Swainson's, Cooper's and Sharp-shinned
Hawks, American Kestrels and Turkey Vultures. Peregrine Falcons and
Ferruginous Hawks are uncommon; Northern Goshawk is rare but regular.
Non-raptor species include Rock Wren, and sometimes Bushtit, Western
Bluebird, Sandhill Crane, White-throated Swift, American White Pelican or
Dusky Grouse. Birders are always welcome. 
The hawkwatch is generally staffed by volunteers from Bird Conservancy of
the Rockies from about 9 AM to around 3 PM from March 1st to May 7th.

Directions to site:
>From exit 259 on I-70 towards Morrison, drive south under freeway and take
left into first parking lot, the Stegosaurus lot. Follow small signs from
the south side of lot to hawkwatch site. The hike 

[cobirds] Common Poorwill returns to Ken Caryl by 4/25

[David Suddjian]

I noticed that eBird had no April records for *Common Poorwill* for
Jefferson County, so I had begun making some evening visits here at Ken
Caryl to try to catch a new return in late April. Last night one porrwill
called about 23 min. after sunset on the Dakota formation hogback north of
Massey Draw in the Ken Caryl Ranch (no public access). It seemed to respond
to my whistled imitation and only called for a few minutes. I was glad to
hear it.

Yesterday I also had three *Evening Grosbeaks *fly over in the Ken Caryl
Valley. They have been absent in the area so far this year, but I have a
few detections in spring each year.

On 4/24 our DFO field trip visited Chatfield SP and at the Marina Sandspit
we had 40 *Marbled Godwits*, 1 *Long-billed Curlew* and 1 *Wilson's
Phalarope*.

David Suddjian
Ken Caryl Valley
Littleton, CO

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[cobirds] Bird Conservancy Banding Report - Chatfield Station, 4-26-18

[Meredith . McBurney]

Day 2 was as grey and gloomy as day 1 was bright and sunny.  Caught 7 birds 
before we packed it in early as the air got damper:

Black-capped Chickadee 2 new, 1 banded 4/25/16 and recaptured on 
4/27/17he/she seems to be part of a welcoming committee!
Hermit Thrush 1 (first thrush)
Common Yellowthroat 1 (first warbler)
Dark-eyed Junco, Oregon 1
Dark-eyed Junco, Pink-sided 1

Come visit! Station is open daily, weather permitting, through the end of 
May, except for May 10-12 and 28. We open nets about 6:30 and close around 
noon. If you would like to visit on a weekend, you must pre-register - go 
to the Audubon Society of Greater Denver website. <
http://www.denveraudubon.org/ 
>
 
Perhaps the best time for birders to visit is early in the morning during 
the week - fewer people and more birds!  (School groups arrive each day 
between 9:30 and 10:30.)
 
Meredith McBurney
Bander
Chatfield Banding Station
Bird Conservancy of the Rockies
303-349-0245

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[cobirds] Pink-sided Juncos - lower altitude

[Leon Bright]

COBirders--  Thanks to those who answered my inquiry about the presence of
Pink-sided Juncos at lower altitudes this time of year.  Bill Maynard
reports that there are a couple at Chico Basin Ranch and that the banding
station there "they usually band a few into the first week in May."

Leon Bright, Pueblo

 

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Re: [cobirds] Re: ??? Possible Snowy Owl near Golden Ponds in Longmont

[Susan Wise]

So I’ve received numerous emails...
I can only speak to what I myself saw (very briefly).
Yes, it could have been a light morph Great Horned Owl.  The nesting
density on the west side of Longmont is ridiculously high.
Yes, it could have been a Barn Owl.  After Great Horned, that’s the highest
probability in this location.
No, I didn’t hear any sound therefore I don’t have a recording.
The location where I saw it fly is directly East of Golden Ponds where the
St Vrain intersects with Airport Road.  The is private property - a farm.
Joe - I understand the skepticism.  When Maikel told me last year that he
just saw a Scarlet Tanager north of Boulder , I said, ‘Are you sure it
wasn’t a Vermillion Flycatcher?’  If looks could kill.






On Thu, Apr 26, 2018 at 1:15 PM Joe Roller  wrote:

> eBird shows that there have been no records of Snowy Owl anywhere near
> Colorado since early April this year.
> Could happen, but I'm skeptical.
> Sharon, do you have any way of finding out whether the recently released
> owl was young or adult,
> male or female?
>
> Joe Roller, Denver
>
> On Thu, Apr 26, 2018 at 12:55 PM, Sharon Kay 
> wrote:
>
>> A snowy owl was recently released from a raptor center. Perhaps the same.
>> No way to know.
>>
>>
>> On Thursday, April 26, 2018 at 10:32:32 AM UTC-6, Susan Wise wrote:
>>>
>>> Interesting.
>>> Maikel and I were out strolling Golden Ponds in Longmont (Boulder
>>> County) yesterday evening (4/26).  A large white bird the size and shape of
>>> a Great Horned Owl flew over.  It was very white.  It's head was the blocky
>>> shape of an owl.  I hollared to Maikel (the one with binoculars) but he was
>>> too far behind to get on it.  So I just let it go with a shrug.
>>> Today, I was perusing the Bird Trax at the bottom of the CFO website.
>>> And what do I see?  A report of a Snowy Owl.
>>>
>>> Location
>>> Longmont Estates, Boulder County, Colorado, US ( Map
>>> 
>>>  )
>>> Date and Effort
>>> Tue Apr 24, 2018 10:20 PM  NocturnalProtocol:StationaryParty Size:3
>>> Duration:15 minute(s)Observers:Mindy Mullen
>>> Species
>>> 1 species total
>>> 1
>>> Snowy Owl
>>>
>>> Almost all White all over, very large, observed hooting loudly and
>>> sitting in top of a large cottonwood. I am pretty darn sure it was a snowy
>>> owl. We are near several large ponds.
>>>
>>>
>> --
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303-819-4863

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[cobirds] Clark’s Grebe, El Paso County

[Suke C Lee]

There is a CLARK’S GREBE at Squirrel Creek Rd Reservoir. Also present are 
Western Grebes, Pied-billed Grebes, Ruddy Duck.
Several Am. Kestrels in the area.
Cecile lee and Jeannie Mitchell,
Elbert, CO

Sent from my iPhone

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Re: [cobirds] Re: ??? Possible Snowy Owl near Golden Ponds in Longmont

[Joe Roller]

eBird shows that there have been no records of Snowy Owl anywhere near
Colorado since early April this year.
Could happen, but I'm skeptical.
Sharon, do you have any way of finding out whether the recently released
owl was young or adult,
male or female?

Joe Roller, Denver

On Thu, Apr 26, 2018 at 12:55 PM, Sharon Kay  wrote:

> A snowy owl was recently released from a raptor center. Perhaps the same.
> No way to know.
>
>
> On Thursday, April 26, 2018 at 10:32:32 AM UTC-6, Susan Wise wrote:
>>
>> Interesting.
>> Maikel and I were out strolling Golden Ponds in Longmont (Boulder County)
>> yesterday evening (4/26).  A large white bird the size and shape of a Great
>> Horned Owl flew over.  It was very white.  It's head was the blocky shape
>> of an owl.  I hollared to Maikel (the one with binoculars) but he was too
>> far behind to get on it.  So I just let it go with a shrug.
>> Today, I was perusing the Bird Trax at the bottom of the CFO website.
>> And what do I see?  A report of a Snowy Owl.
>>
>> Location
>> Longmont Estates, Boulder County, Colorado, US ( Map
>> 
>>  )
>> Date and Effort
>> Tue Apr 24, 2018 10:20 PM  NocturnalProtocol:StationaryParty Size:3
>> Duration:15 minute(s)Observers:Mindy Mullen
>> Species
>> 1 species total
>> 1
>> Snowy Owl
>>
>> Almost all White all over, very large, observed hooting loudly and
>> sitting in top of a large cottonwood. I am pretty darn sure it was a snowy
>> owl. We are near several large ponds.
>>
>>
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[cobirds] Re: ??? Possible Snowy Owl near Golden Ponds in Longmont

[Sharon Kay]

A snowy owl was recently released from a raptor center. Perhaps the same. 
No way to know.

On Thursday, April 26, 2018 at 10:32:32 AM UTC-6, Susan Wise wrote:
>
> Interesting.
> Maikel and I were out strolling Golden Ponds in Longmont (Boulder County) 
> yesterday evening (4/26).  A large white bird the size and shape of a Great 
> Horned Owl flew over.  It was very white.  It's head was the blocky shape 
> of an owl.  I hollared to Maikel (the one with binoculars) but he was too 
> far behind to get on it.  So I just let it go with a shrug. 
> Today, I was perusing the Bird Trax at the bottom of the CFO website.  And 
> what do I see?  A report of a Snowy Owl. 
>
> Location
> Longmont Estates, Boulder County, Colorado, US ( Map 
> 
>  )
> Date and Effort
> Tue Apr 24, 2018 10:20 PM  NocturnalProtocol:StationaryParty Size:3
> Duration:15 minute(s)Observers:Mindy Mullen
> Species
> 1 species total
> 1 
> Snowy Owl
>
> Almost all White all over, very large, observed hooting loudly and sitting 
> in top of a large cottonwood. I am pretty darn sure it was a snowy owl. We 
> are near several large ponds.
>  
>

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[cobirds] Little Blue Heron at Sawhill Ponds, Boulder County

[John Malenich]

Little Blue Heron at Sawhill Ponds, Boulder County this morning (4/26/18) 
approximately 8:30 am.  2nd pond if you are heading west from Cottonwood 
Marsh on south side of trail (city-managed side).   

John Malenich
Boulder, CO 






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[cobirds] Little Blue Heron at Sawmill Ponds, Boulder County

[John Malenich]

Little Blue Heron at Sawmill Ponds, Boulder County this morning (4/26/18) 
approximately 8:30 am.  2nd pond heading west from Cottonwood Marsh parking 
at Walden Ponds.   

John Malenich
Boulder, CO 

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Re: [cobirds] Pink-sided Junco, Pueblo

[linda hodges]

I had one in Colo Spgs (El Paso County) a few days ago.

On Thu, Apr 26, 2018, 10:38 AM Bill Maynard  wrote:

> Yes
>
>
>
> *From:* cobirds@googlegroups.com [mailto:cobirds@googlegroups.com] *On
> Behalf Of *Leon Bright
> *Sent:* Thursday, April 26, 2018 10:15 AM
> *To:* Cobirds
> *Subject:* [cobirds] Pink-sided Junco, Pueblo
>
>
>
> COBirders--  Yesterday I was surprised to see in my back yard a Dark-eyed
> Junco, subspecies Pink-sided.  I thought it seemed late for any junco at my
> elevation (4,700 ft.) so I checked the Colorado Breeding Bird Atlas II
> species account by Ted Floyd, p. 528.  Ted states that the only breeding
> form of Dark-eyed Junco in our state is the Gray-headed, so his account
> does not deal with the other Junco groups. He writes that nest building
> begins about now, with the vast majority of activity taking place west of
> the foothills. My question is, has anyone else seen any (non-Gray-headed)
> juncos at elevations below 5,000 feet in the last few days?
>
> Leon Bright, Pueblo
>
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[cobirds] Bar CCC & Parker Regional in Douglas County

[Diane Roberts]

4 Snowy Egrets were at BarCCC Park this morning. 

Parker Regional is showing mudflats this morning so Black-necked Stilt, Lesser 
Yellow Legs & Solitary Sandpiper are here at 10:38 a.m.

Cheers! 

Diane Roberts
Lone Tree

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RE: [cobirds] Pink-sided Junco, Pueblo

[Bill Maynard]

Yes

 

From: cobirds@googlegroups.com [mailto:cobirds@googlegroups.com] On Behalf Of 
Leon Bright
Sent: Thursday, April 26, 2018 10:15 AM
To: Cobirds
Subject: [cobirds] Pink-sided Junco, Pueblo

 

COBirders--  Yesterday I was surprised to see in my back yard a Dark-eyed 
Junco, subspecies Pink-sided.  I thought it seemed late for any junco at my 
elevation (4,700 ft.) so I checked the Colorado Breeding Bird Atlas II species 
account by Ted Floyd, p. 528.  Ted states that the only breeding form of 
Dark-eyed Junco in our state is the Gray-headed, so his account does not deal 
with the other Junco groups. He writes that nest building begins about now, 
with the vast majority of activity taking place west of the foothills. My 
question is, has anyone else seen any (non-Gray-headed) juncos at elevations 
below 5,000 feet in the last few days?

Leon Bright, Pueblo

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[cobirds] ??? Possible Snowy Owl near Golden Ponds in Longmont

[Susan Wise]

Interesting.
Maikel and I were out strolling Golden Ponds in Longmont (Boulder County) 
yesterday evening (4/26).  A large white bird the size and shape of a Great 
Horned Owl flew over.  It was very white.  It's head was the blocky shape 
of an owl.  I hollared to Maikel (the one with binoculars) but he was too 
far behind to get on it.  So I just let it go with a shrug. 
Today, I was perusing the Bird Trax at the bottom of the CFO website.  And 
what do I see?  A report of a Snowy Owl. 

Location
Longmont Estates, Boulder County, Colorado, US ( Map 

 )
Date and Effort
Tue Apr 24, 2018 10:20 PM  NocturnalProtocol:StationaryParty Size:3
Duration:15 minute(s)Observers:Mindy Mullen
Species
1 species total
1 
Snowy Owl

Almost all White all over, very large, observed hooting loudly and sitting 
in top of a large cottonwood. I am pretty darn sure it was a snowy owl. We 
are near several large ponds.
 

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[cobirds] White-crowned Sparrows in west Centennial, Arapahoe County

[kevygudguy via Colorado Birds]

Hello Fellow Birders,
 
   Two White-crowned Sparrows are currently hitting the suet in my little 
townhouse yard in west Centennial, near Holly & Arapahoe.  I don't think I've 
ever seen them in my yard before.
 
Keep Smilin',
Kevin
 
Sent from my Remington Rand Typewriter via my Rotary Dial Wall Phone
 
 

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[cobirds] Pink-sided Junco, Pueblo

[Leon Bright]

COBirders--  Yesterday I was surprised to see in my back yard a Dark-eyed
Junco, subspecies Pink-sided.  I thought it seemed late for any junco at my
elevation (4,700 ft.) so I checked the Colorado Breeding Bird Atlas II
species account by Ted Floyd, p. 528.  Ted states that the only breeding
form of Dark-eyed Junco in our state is the Gray-headed, so his account does
not deal with the other Junco groups. He writes that nest building begins
about now, with the vast majority of activity taking place west of the
foothills. My question is, has anyone else seen any (non-Gray-headed) juncos
at elevations below 5,000 feet in the last few days?

Leon Bright, Pueblo

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[cobirds] Lamar of late (Prowers)

[DAVID A LEATHERMAN]

Migration is slowly unfolding in the area I call "Lamar", which extends 6-7 
miles in all directions from the downtown movie theater. Currently downtown is 
being engulfed by highway construction. Will there be a viable downtown 
business when it's done?

Highlights:

Lamar Community College Woods
*Northern Cardinal (only one male heard in Russian-olive thicket east of south 
end of road behind LCC)
*Not much else except expected migrants like Orange-crowned Warblers, Western 
Kingbirds. The woods, like everything else down here, is very dry.

Willow Creek Subdivision
*Black-chinned Hummingbird 
*Northern Cardinal female
*White-winged Doves
*Red-breasted Nuthatches

Fairmount Cemetery
*Red Crossbills (about 15, most sound like 2s, a few sound like 4s)
*Golden-crowned Kinglet
*Black-and-white Warbler (1 male on 4/25 on the move traveling se to nw)
*Red-bellied Woodpecker (clearly heard, could never see)
*lots of Chipping Sparrows, some Lark Sparrows

North Gateway Park (east of Holiday Inn Express at north end of town s of 
Arkansas River)
*Tundra Swan first found weeks ago by Claudia Gill continues. It is usually in 
east most pond or hay field east of that.
*Shorebirds usually on small spit on west side of middle pond. Of late this has 
been Western , Semipalmated, Least and Baird's Sandpipers.
*Red-breasted Merganser female has been on western fishing pond for weeks but I 
did not see it yesterday.

So far, 101 species in "Lamar". since 4/22

(Highlights of trip to Two Buttes below the dam on cold, windy 4/23 (Baca) were 
Ash-throated Flycatcher and 30+ Orange-crowned Warblers). Touring the 70,000 
acre fire area from Walsh e to Kansas line was the lowlight. This area needs 
rain in the worst way.)

Dave Leatherman 
Fort Collins 


Sent from my iPhone

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[cobirds] Colorado Rare Bird Alert, 26 April 2018

[Joyce Takamine]

Compiler:   Joyce Takamine
Date:April 26, 2018
e-mail:  RBA AT cobirds.org

This is the Rare Bird Alert for Thursday, April 26 sponsored by Denver
Field Ornithologists and the Bird Conservancy of the Rockies.

Highlight species include: (* indicates new information on this species)
NOTE:  The RBA is now using the new AOU checklist and the order of families
has changed.
Snow Goose (Arapahoe, *El Paso, Park)
Greater White-fronted Goose (Prowers, Rio Grande)
Trumpeter Swan (Archuleta, *Garfield)
Tundra Swan (Prowers)
Greater Scaup (Mesa, Montrose)
Red-breasted Mergaser (*Denver, Kiowa, Montezuma, Park)
CALIFORNIA QUAIL (Moffat)
Sharp-tailed Grouse (Weld)
Greater Prairie-Chicken (*Yuma)
Red-necked Grebe (Park)
Clark’s Grebe (Rio Blanco)
White-winged Dove (El Paso)
Greater Roadrunner (Kiowa)
White-throated Swift (Pueblo)
Virginia Rail (Chaffee)
Sora (*Adams)
Black-necked Stilt (Chaffee, Weld)
Semipalmated Plover (*Montezuma)
Mountain Plover (El Paso, *Weld)
Upland Sandpiper (Prowers, *Yuma)
Whimbrel (*El Paso, Kiowa)
Long-billed Curlew (Archuleta, El Paso, Kiowa, Larimer, *Weld)
Marbled Godwit (Archuleta, El Paso, *Fremont, Kiowa, Larimer, Park, *Weld)
Sanderling (*Baca, Kiowa)
Dunlin (Rio Blanco)
Baird’s Sandpiper (El Paso, Weld)
Least Sandpiper (El Paso, Kit Carson)
Pectoral Sandpiper (Larimer)
Semipalmated Sandpiper (Douglas, El Paso, Kit Carson, Rio Blanco)
Western Sandpiper (Archuleta, Mesa, Weld)
Short-billed Dowitcher (*Weld)
Long-billed Dowitcher (El Paso, *Weld)
Solitary Sandpiper (*Mesa, *Montezuma, Weld)
Willet (Larimer, *Montezuma, *Weld)
Wilson’s Phalarope (Boulder, El Paso, Kit Carson, Larimer, Park, Pueblo,
*Weld)
Red-necked Phalarope (Weld)
Bonaparte’s Gull (Park)
Iceland Gull (Kiowa, Weld)
Caspian Tern (*Jackson, Rio Blanco, Weld)
Forster’s Tern (Montezuma)
Red-throated Loon (Kiowa)
Neotropic Cormorant (Kiowa)
American White Pelican (Douglas)
Great Egret (*Denver)
Snowy Egret (*Montezuma, Rio Blanco)
Little Blue Heron (Kiowa)
Cattle Egret (Rio Blanco)
Glossy Ibis (El Paso)
White-faced Ibis (El Paso, Weld)
Turkey Vulture (Douglas)
Northern Goshawk  (Larimer)
Broad-winged Hawk (El Paso, Washington)
Rough-legged Hawk (*Washington, Weld, Yuma)
Ferruginous Hawk (Mesa)
Ladder-backed Woodpecker (El Paso)
Hairy Woodpecker (Weld)
Western Wood-Pewee (*Adams)
Gray Flycatcher (Boulder, Jefferson, Kit Carson)
Dusky Flycatcher (Montrose)
Eastern Phoebe (*Boulder, Chaffee, El Paso, Jefferson)
Cassin’s Kingbird (Denver)
Cassin’s Vireo (Baca)
Woodhouse’s Scrub-Jay (Adams)
Chihuahuan Raven (Baca, Kiowa)
Common Raven (Weld)
Violet-green Swallow (Jefferson, Weld)
Northern Rough-winged Swallow (Gunnison, Moffat)
Bank Swallow (Gunnison, Rio Blanco)
Cliff Swallow (Moffat)
Mountain Chickadee (Lincoln, Weld)
Bushtit (*Weld)
Rock Wren (*Gunnison, Park)
Marsh Wren (Gunnison)
Blue-gray Gnatcatcher (El Paso, Kit Carson, Pueblo)
Eastern Bluebird (*Adams, El Paso)
Gray Catbird (Boulder)
Brown Thrasher (Pueblo)
Sage Thrasher (Boulder)
Northern Mockingbird (Broomfield, El Paso, Pueblo)
American Pipit (Kiowa)
Gray-crowned Rosy-Finch (Jackson)
Brown-capped Rosy-Finch (Jackson)
Red Crossbill (Boulder)
Chestnut-collared Longspur (*Weld)
McCown’s Longspur (Douglas, *Weld)
Chipping Sparrow (Logan, Montezuma)
Lark Sparrow (El Paso)
Black-throated Sparrow (Otero)
Sagebrush Sparrow (Boulder)
Fox Sparrow (Boulder)
Harris’s Sparrow (*Denver, El Paso)
Yellow-breasted Chat (Larimer)
Brown-headed Cowbird (El Paso, Kit Carson, Yuma)
Orange-crowned Warbler (Kit Carson)
LUCY’S WARBLER (El Paso, Montezuma)
Nashville Warbler (*El Paso)
Yellow-throated Warbler (Baca)
Wilson’s Warbler (El Paso, Pueblo)
Summer Tanager (Montezuma)

ADAMS COUNTY:
---On April 23 at Sand Creek Park, George Ho reported Woodhouse’s Scrub-Jay.
---On April 25 at Rocky Mountain Arsenal NWR First Creek, John Breitsch
reported Eastern Bluebird.
---On April 25 at  Barr Lake SP banding station area, Matthew Sabatine
reported Sora and Western Wood-Pewee.

ALAMOSA COUNTY:
---On April 23 at Blanca Wetlands NWR, Alex Mullins and Ricky Martinez
reported 2 Snowy Plovers.

ARCULETA COUNTY:
---On April 22 at Navajo SP and Reservoir, Charles Martinez and Jean
Zirnheld reported Long-billed Curlew, 5 Marbled Godwits, 4 Western
Sandpipers.
---On April 24 at Pinon Lake Reservoir, Charles Martinez reported Trumpeter
Swan.

BACA COUNTY:
---On April 24 in town of Campo, Tony Leukering reported Yellow-throated
Warbler, 2 Cassin’s Vireos, and Chihuahuan Raven.
---On April 25 at Turk’s Pond SWA, Van Truan reported Sanderling.

BOULDER COUNTY:
---On April 22 at Boulder Creek and 75th St, Matt Hofeditz, Mary O’Connor,
Jonathan Montgomery, Dan Zmolek, and Leslie S reported Eastern Phoebe;
Katie Lehman reported Fox Sparrow; Ernest Crvich reported 2 Eastern
Phoebe.  On April 23 at Boulder Creek and 75th St, Eric DeFonso and Candice
Johnson reported Eastern Phoebe.  On April 25 at Boulder Creek and 75th St,
Elaine Wagner and Doug Kibbe reported Eastern Phoebe.
---On April 22 at Lagerman