[cobirds] Dinosaur Ridge - Denver Field Ornithologists (01 May 2022) 56 Raptors

[reports]

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA
Daily Raptor Counts: May 01, 2022
---

SpeciesDay's CountMonth Total   Season Total
-- --- -- --
Black Vulture0  0  0
Turkey Vulture   9  9405
Osprey   4  4 49
Bald Eagle   1  1 59
Northern Harrier 5  5 35
Sharp-shinned Hawk   4  4 77
Cooper's Hawk   11 11193
Northern Goshawk 0  0  9
Red-shouldered Hawk  0  0  0
Broad-winged Hawk1  1 46
Red-tailed Hawk  7  7744
Rough-legged Hawk0  0  3
Swainson's Hawk  7  7 41
Ferruginous Hawk 0  0 63
Golden Eagle 0  0 38
American Kestrel 6  6332
Merlin   0  0 17
Peregrine Falcon 1  1 18
Prairie Falcon   0  0 10
Mississippi Kite 0  0  0
Unknown Accipiter0  0 13
Unknown Buteo0  0 15
Unknown Falcon   0  0  5
Unknown Eagle0  0  3
Unknown Raptor   0  0  8

Total:  56 56   2183
--

Observation start time: 08:00:00 
Observation end   time: 16:30:00 
Total observation time: 8.5 hours

Official Counter:Carol Cwiklinski, Emma Riley

Observers:Carol Cwiklinski, Courtney Rella, Steve Small

Visitors:
Steve Small and Carol Cwiklinski observed all day with Courtney Rella
joining us for the afternoon. The trail was busy today with 76 people
visiting the Hawk Watch! 


Weather:
Cloud cover was heavy for most of the day with calm to moderate winds from
the NE. The ridge was cold with the wind today, but relief from the wind
could be found on the W side of the platform. 

Raptor Observations:
Migration picked back up today with over 50 migrants on the day, including
BW (1), SW (7), NE (5), and SS (4). Birds were overhead, E, and W of the
ridge today, but stayed relatively low. Local RT activity was notably low
today, with local TV activity staying consistent today. We also saw two
local GE for most of the day, sometimes being harassed by a local RT.

Non-raptor Observations:
White-throated Swifts were out in the dozens today coming right overhead.
They could be heard flying right past us all day while we were scanning for
raptors. Other notable birds include Yellow Warbler, Rock Wren, Blue-gray
Gnatcatcher, Black-billed Magpie, and Broad-tailed Hummingbird. 

Predictions:
Rain predicted in the morning and heavy cloud cover in the afternoon. Winds
predicted to be moderately strong from the NE.

Report submitted by DAVID HILL ()
Dinosaur Ridge - Denver Field Ornithologists information may be found at:
http://www.dfobirds.org


More site information at hawkcount.org:  
https://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 of any skill level are always welcome.  HawkWatch at
Dinosaur Ridge is generally staffed by volunteers 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 southwest end of lot to the hawkwatch site. The hike starts heading
east on an old two-track and quickly turns south onto a trail on the west
side of the ridge. When the trail nears the top of the ridge, turn left,

[cobirds] Bird Conservancy of the Rockies - Chatfield Banding Report, 4/30/22

[Meredith McBurney]

A somewhat busier day, we banded 19 birds; no new species for the season, 
although we had our first of the Mountain subspecies of White-crowned 
Sparrows.  Here's the breakdown:

Black-capped Chickadee 2
House Wren 2
American Robin 2
Yellow-rumped Warbler, Myrtle 1
Yellow-rumped Warbler, Audubon's 6
Spotted Towhee 1
Song Sparrow 2
White-crowned Sparrow, Mountain 3

We are open 6 mornings per week, closed on Mondays.  Registration is 
required to visit on the weekends - there are three 1 hour sessions, 
starting at 7:30, 8:30 and 9:30.  Go here 
 to register.  There are school groups 
every week day, arriving about 9:30.  Individuals may drop by early 
mornings during the week although there are groups visiting early on some 
days.

Meredith McBurney
Bander, Chatfield Station
Bird Conservancy of the Rockies

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[cobirds] Yellow- throated Warbler

[KELLY ORMESHER]

Still at Willow Creek at 3:10 in the pines along concrete walkway.

Get Outlook for iOS

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[cobirds] Western Tanager - Douglas

['Hugh Kingery' via Colorado Birds]

 And, just now, a Western Tanager sampling a suet cake.
 
Hugh & Urling

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Re: [cobirds] Pelican Mortality at Union Res (Boulder Co.)

[mvjo...@gmail.com]

Yes agree with HPAI possibility. We are watching this issue closely in the 
San Luis Valley as well. 

John Rawinski
Monte Vista, CO

On Sunday, May 1, 2022 at 8:47:35 AM UTC-6 jay...@gmail.com wrote:

> All:
>
> Got quite a few responses to my post, almost all suggesting it could be 
> High Path Avian Influenza (thank you Scott S. from the US F!) and to 
> call CPW.  I did talk to a message taker there on Friday, will update 
> everyone if/when I hear back from them.
>
> Jay Hutchins
> Longmont
>
> On Friday, April 29, 2022 at 1:37:09 PM UTC-6 lforre...@gmail.com wrote:
>
>> These are water fowl, which may be susceptible to the avian flu they're 
>> very worried about. I think CPW wants to know about this level of 
>> fatalities.
>>
>> Lynne Forrester 
>> Littleton, Jefferson County 
>>
>>

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[cobirds] Black-headed Grosbeak, Vesper Sparrow - Douglas

['Hugh Kingery' via Colorado Birds]

 Today we enjoyed two Black-headed Grosbeaks, our FOS. One started singing 
nearby. Both visited our suet cakes.
Yesterday we saw two Vesper Sparrows, one of them singing lustily. 

Spring's a'comin'.
 
Hugh 

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[cobirds] Request for assistance – song recordings of migrating Mourning Warblers

[Jay Pitocchelli]

 

I am once again writing to request your help and record Mourning Warbler 
songs from spring migrants.  It is year 8 of my research using birdsong to 
study migratory connectivity of Mourning Warbler song populations.  Here is 
a link to the latest map with previous years’ results based on recordings 
from over 150 birders.  

 

https://www.google.com/maps/d/viewer?hl=en=1voXjBhvHZ0nwAv93_OBC_vCPuxQ=38.892516009880424%2C-85.09712735=5

 

There is also a link to a spring 2017 National Audubon Society story on 
this research.

 

Audubon Society reporting

http://www.audubon.org/magazine/spring-2017/this-guy-mapping-how-warblers-migrate-just

 

These preliminary results continue to suggest moderate to low connectivity 
during migration with Western breeders separating from the rest of the 
other song populations.  Eastern, Nova Scotia and Newfoundland song 
populations travel together along the Appalachian Mountains at least into 
Maine with some birds heading to the Atlantic Coast beginning in Maryland, 
Delaware and New Jersey.  

 

All you need is a smartphone with a voice recording app and some luck.  Videos 
with recordings are also helpful.  The web page link below describes the 
project and how to make recordings on your Smartphone in more detail.   Please 
send song recordings to the Mourning Warbler Sound Lab (jpitocch AT 
anselm.edu).  

 

https://mowasongmapper.weebly.com/

 

 

I would really appreciate your help and contributions this year to this 
Citizens Science Project.  

 

Dr. Jay Pitocchelli 

Professor Emeritus, Biology Department 

Saint Anselm College

Manchester, NH 03102

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[cobirds] Re: Friends of the Pawnee NG Site

['The Nunn Guy' via Colorado Birds]

HI all

Links to resources from Friends site are now 
here: https://thevermontbirderguy.org/files/FrPNGLinks.html

Thanks Gary Lefko, Nunn

On Monday, April 18, 2022 at 3:23:13 PM UTC-6 The Nunn Guy wrote:

> Hi all
>
> I'm going to be converting my Friends of PNG site to a new Vermont flavor 
> with our impending move. Birders have been asking me through email and in 
> the field to make available the various linked resources on the site. I've 
> captured the links requested and they can be viewed (even after site turns 
> into a VT one) at 
> https://www.friendsofthepawneegrassland.org/files/FrPNGLinks.html. This 
> page contains specific links for all CO county eBird RBAs, 10 Pawnee NG 
> birding driving tours (includes Raptor Alley), and link to our active 
> Pawnee NG iNaturalist project. For those interested in following my VT 
> endeavors please email me and I'll share new VT website and email handle 
> ("thevermontbirdingguy") as soon as I am up and running. ;-)
>
> Hope this helps! :-)
> Thanks Gary Lefko, Nunn
>
>

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[cobirds] May Day in Weld

['The Nunn Guy' via Colorado Birds]

Hi all

Might be my last report probably hitting the road mid-May to VT.

CR 41 "T" intersection (CR 41 btw 100/102 at 102 left .5m and right 1m is 
the "T", 18 species seen, highlights: Lark Bunting; six sparrow species; 
Brown-headed Cowbird; Loggerhead Shrike (pair); Say's Phoebe; loads of 
Chipping Sparrows!

Lone Tree Creek at CR 110 and 108 had 12 similar species above

Crom Lake had 20 species highlights: lots of duck species, 30-40 Wilson's 
Phalarope

CR 59 Marsh had 20 species, highlights are: Whimbrel (2); Wilson's 
Phalarope (100+); Long-billed Dowitcher (20+); Marsh Wren

Thanks and goodbye it was a pleasure sharing birding with you all!
Gary Lefko, signing off from Nunn, Colorado
http://www.thevermontbirderguy.org/

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[cobirds] Yellow-throated Warbler - Arapahoe

[Jared Del Rosso]

This morning, I spotted a Yellow-throated Warbler at Willow Spring Open 
Space in Arapahoe County. Photos and directions in G. Stacks' checklist 
here: https://ebird.org/checklist/S108601910.

The bird was a short walk from the main parking area on Holly Ave, in pines 
behind the South Suburban service complex.

- Jared Del Rosso
Centennial, CO

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Re: [cobirds] Pelican Mortality at Union Res (Boulder Co.)

[jay...@gmail.com]

All:

Got quite a few responses to my post, almost all suggesting it could be 
High Path Avian Influenza (thank you Scott S. from the US F!) and to 
call CPW.  I did talk to a message taker there on Friday, will update 
everyone if/when I hear back from them.

Jay Hutchins
Longmont

On Friday, April 29, 2022 at 1:37:09 PM UTC-6 lforre...@gmail.com wrote:

> These are water fowl, which may be susceptible to the avian flu they're 
> very worried about. I think CPW wants to know about this level of 
> fatalities.
>
> Lynne Forrester 
> Littleton, Jefferson County 
>
>

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[cobirds] FOS Bullock's Oriole, Douglas County

[Lesley Brown]

We heard the telltale begging call at 6:30 am, looked out the window and a 
beautiful male was sitting in the lilacs next to the hook meant to hold the 
oriole feeder, which was sitting empty on our kitchen counter. : (  

May 1 is the earliest we've seen the orioles.  This one must have been here 
last year otherwise how would he have known that's where feeder is supposed 
to be.  We've had the feeder out during the day for a few days, but have to 
take it in at night because of raccoons.  We'll now start getting up much 
earlier in order to put the feeder out for them.

So exciting!!  

Lesley Brown
Highlands Ranch
Douglas County

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[cobirds] Re: Migration weather: next two days (5/1 - 5/2)

[Bryan Guarente]

Wow!  Right now (6am) on 5/1, there is what looks like a large mass of
birds on the Pueblo radar headed northwest. If you are El Paso or Pueblo
counties, get out near the gray oval of possible birds and see what you can
find:
https://weather.cod.edu/satrad/nexrad/?parms=PUX-N0Q-0-96-100-usa-rad. This
link is best viewed from a desktop computer not a mobile web browser.

Note this is a live updating link so if you click it too long after this
email, you may not see the gray oval headed northwest.

Exciting times!

Bryan

On Sat, Apr 30, 2022 at 12:23 PM Bryan Guarente 
wrote:

> COBirders,
> An astute weather-watcher asked what it was going to look like for birds
> with the next system coming in. They were ahead of my thinking for sure
> (darn work getting in the way of fun).
>
> *5/1 SE CO will see a connection from the Yucatan*
>
> https://earth.nullschool.net/#2022/05/01/1200Z/wind/isobaric/850hPa/orthographic=-100.03,32.69,1951/loc=-103.708,37.700
>  (Green
> circle is south of La Junta)
>
> That map is quite telling of all of the overnight hours tonight.  That
> pattern doesn't look much different if you spend some time flipping through
> the times available on the wind maps from sundown tonight to sun-up
> tomorrow.  So this is a long duration convergence pattern which is a GREAT
> thing for SE CO.  Anywhere from Pueblo to Lamar (better towards Lamar than
> Pueblo) could see some great movements into the area overnight.  I also
> don't expect anything to leave the area from previous days, so we could see
> a large diversity of birds (even higher than already going on).  For the
> rest of CO tomorrow (Sunday), there won't be much movement of passerines
> overnight.  Expect though that this will change throughout the day on
> Sunday.  The connection from the Yucatan actually opens up throughout the
> day tomorrow and the northern Front Range gets in on the action!
>
> *5/2 Northern Front Range gets connected to the Yucatan*
>
> https://earth.nullschool.net/#2022/05/02/1200Z/wind/isobaric/850hPa/orthographic=-98.23,34.96,1951/loc=-105.120,40.191
>  (Green
> circle in Longmont for reference)
>
> I expect that the northern Front Range will be the target on Monday after
> SE CO's good chances.  The problem with Monday is the chance of rain
> throughout the area.  This will make the birding maybe a bit more hit or
> miss location-wise.  But that won't likely matter too much because the
> birds WILL be on the move.  It may just be hard to guess the exact location
> of the best birding Monday morning due to the possible rain.  But, get out
> there and find the best spots and let everyone else know.  We'll be
> watching.
>
> Now, this actually brings up another point.  With the chance of rain, this
> will mean the cloud cover will be lower, so overnight migrant listening
> might be really good for CO standards.  Low cloud cover drives the birds to
> be lower towards the ground, making calls easier to hear, and with the
> winds coming from the Yucatan, we have a good chance of getting some good
> night flight calls as long as it isn't raining where you are.
>
> And finally, if you haven't believed me for all these years, or you need
> more supporting information, you can check out birdcast's new "Migration
> Dashboard" for every county and state in the US.
> https://birdcast.info/migration-tools/migration-dashboard/. This brand
> new website shows you estimated numbers of birds from real-time radar data
> over your county or state of choice.  Enter your county or state into the
> text field and press "Search".  This will take you to a page where you can
> monitor the radar-estimated bird counts over your area.  There is a nice
> archive to dig through as well to see how migration has been playing out
> recently compared to historical numbers.  This page has been quite
> instructive over the past couple weeks since it went live.  If you want to
> see more about the dashboard you can check out the recorded webcast about
> the new dashboard here:
> https://academy.allaboutbirds.org/live-event/the-birdcast-dashboard-live-radar-tracking-of-bird-migration-in-your-county-and-state/
>
> May the winds be ever in your (and the birds') favor.
> Bryan
>
-- 
Bryan Guarente
Meteorologist/Instructional Designer
UCAR/The COMET Program
Boulder, CO

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