[cobirds] Dinosaur Ridge - Denver Field Ornithologists (04 May 2023) 9 Raptors

[reports]

Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA
Daily Raptor Counts: May 04, 2023
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SpeciesDay's CountMonth Total   Season Total
-- --- -- --
Black Vulture0  0  0
Turkey Vulture   4 43401
Osprey   0  6 58
Bald Eagle   0  4 55
Northern Harrier 0  1 31
Sharp-shinned Hawk   0  9 86
Cooper's Hawk3 28252
Northern Goshawk 0  0  9
Red-shouldered Hawk  0  0  0
Broad-winged Hawk0 30155
Red-tailed Hawk  2 19460
Rough-legged Hawk0  0  0
Swainson's Hawk  0 14 49
Ferruginous Hawk 0  5 59
Golden Eagle 0  2 39
American Kestrel 0  8366
Merlin   0  4 26
Peregrine Falcon 0  2 20
Prairie Falcon   0  0  5
Mississippi Kite 0  0  0
Unknown Accipiter0  2 13
Unknown Buteo0  1  6
Unknown Falcon   0  0  1
Unknown Eagle0  0  0
Unknown Raptor   0  1  3

Total:   9179   2094
--

Observation start time: 08:30:00 
Observation end   time: 14:00:00 
Total observation time: 4.5 hours

Official Counter:Emma Riley

Observers:Dave Erickson, Gary Rossmiller, Janet Peters,
  Marianne Erickson

Visitors:
Thank you Janet Peters, Gary Rossmiller, and Marianne & Dave Erickson for
your help with the count today. We saw 13 visitors at the count site today
including Roger and Michelle, a couple that we have seen a few times now in
search of BW. Jefferson County rangers Sabrina and Sam were out today and
stopped to discuss the hawkwatch. 


Weather:
Winds and light rain were immediate this morning. The rain subdued for a
few hours but by 1100 MST the winds and rain had come back. We chose to let
this rain pass from the cars, and returned to the site at 1200 MST. Blue
skies and strong sun were revealed until a large system from the west
brought lightning behind Mt. Morrison. We ended the count at 1400 MST and
by 1415 heavy rain had consumed the site. 

Raptor Observations:
Migration was very slow today with most of the migrants flying low, except
two birds in the afternoon. Local RT and TV were active today utilizing the
winds. 

Non-raptor Observations:
Non-raptor highlights today include a WEKI seen flying along the ridge
multiple times today, and two BGGN we heard singing all morning. SPTO were
also active today as well as the WTSW. One DCCO was seen crossing the
ridge.

Predictions:
Tomorrow will be warm and mostly sunny. High winds in the afternoon are
possible, and the trail may be muddy after the heavy rain today. 

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
Count data submitted via Dunkadoo -  Project info at:
https://dunkadoo.org/explore/denver-field-ornithologists/dinosaur-ridge-spring-2023

Site Description:
Dinosaur Ridge is the only regularly staffed hawk watch in Colorado and is
the best place in the world to see migrating Ferruginous Hawks. Hawk
watchers may see 17 species of migrating raptors; and it is an excellent
site to see rare dark morph buteos including Broad-winged hawk,
Swainson’s hawk, Ferruginous hawk, Rough-legged hawk and Red-tailed Hawk.
Other raptors we see include Golden and Bald Eagles, Northern harrier,
Osprey, Peregrine Falcons, Prairie Falcons, Cooper's and Sharp-shinned
Hawks, American Kestrels, Merlin, and Turkey Vultures. Northern Goshawk is
uncommon but also counted each season. Non-raptor species include Rock
Wren, Bushtit, Western Bluebird, Sandhill Crane, White-throated Swift,
American White Pelican, and Dusky Grouse. Birders of any skill level are
always welcome. The hawk watch at Dinosaur Ridge is staffed by a Hawk
Counter and volunteers from 9:30 AM to 5:30 PM from March 1st to May 14th,
weather permitting.

Directions to site:
>From exit 259 on I-70 towards Morrison, driv

[cobirds] Neotropic Cormorant at Smith SWA

[mvjo...@gmail.com]

Action is really picking up in the San Luis Valley.  

At Smith Res SWA there was a Neotropic Cormorant, posed on a rock not 100 
feet from a much larger Double-crested Cormorant. The Neotropic was about 
2/3rds the size of the nearby Double-crested. Bird had the smaller relative 
bill and white border on the gape, which was pointed. Tail was relatively 
longer than a Double-crested. If approved, it may be the first for the San 
Luis Valley. 

Another exciting feature was the fact that I saw 5 species of gulls on the 
lake today. The Herring Gull that I found a while back is still there, 
along with RB, Bonaparte's, Franklin's and a large gull that appears 
initially to be a 1st winter Lesser Black-backed Gull. 

Its a great time to be out there enjoying the new greenery and birds 
flitting in it!

John Rawinski
Monte Vista, CO

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[cobirds] Bird Conservancy of the Rockies, Chatfield Banding Station - May 4, 2023

[Meredith McBurney]

We got a late start today due to a drizzle that started when we arrived and 
lasted for about an hour.  But then we opened and had a very nice day, 
sharing our birds with Christy Carello's Metro State College Ornithology 
class.  Yellow-rumped Warblers continued in good numbers, and our first 
Yellow Warblers and Gray Catbird arrived pretty much on schedule.  Note 
below that our first three Yellows of the season were all banded by us in 
prior years!

Here a breakdown of the 36 new captures today:

Black-capped Chickadee 1
House Wren 4
American Robin 1 (FOS - they are around the station singing every day, but 
this is the first to come to a net)
Gray Catbird 1 (FOS)
Orange-crowned Warbler 3
Virginia's Warbler 1 (FOS)
Yellow Warbler 2 banded in 2021, 1 banded in 2019 (FOS)
Yellow-rumped Warbler, Myrtle 5
Yellow-rumped Warbler, Audubon's 10
Yellow-rumped Warbler, Intergrade 3
Spotted Towhee 1 banded in 2017 (the oldest bird caught so far this season)
White-crowned Sparrow, Gambel's 2
Brown-headed Cowbird 1

We will be banding mornings Tuesday through Sunday (closed on Mondays) 
through May 31.  Denver Audubon has scheduled one-hour time slots at 7:30, 
8:30 and 9:30 for visitors on weekends; visit here 
 to register.  (I believe many time 
slots are already sold out, so register soon if you would like to visit.)

Meredith McBurney
Bander, Chatfield Banding Station
Bird Conservancy of the Rockies

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

[Jay Pitocchelli]

I am posting my annual opportunity to participate in a Citizens Science 
Project that involves recording migrating Mourning Warbler songs.  I am 
trying to determine the nature of migratory pathways taken by different 
song populations of Mourning Warbler males during their spring migration.  I 
am continuing to collect your recordings and plot them on a map of North 
America to determine if and where birds with different song types 
(regiolects) separate from each other during spring migration.  The most 
current map of songs of migrants is at the web site below. 

 

https://www.google.com/maps/d/viewer?hl=en&mid=1voXjBhvHZ0nwAv93_OBC_vCPuxQ&ll=38.8925160098804%2C-85.09712735&z=5

 

All you need is a Smartphone and a singing Mourning Warbler.  You can send 
the recordings to my e-mail address (jpitocch AT anselm.edu).  The web page 
link below describes the project and how to make recordings on your 
Smartphone in more detail.  

 

https://mowasongmapper.weebly.com/

 

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

 

Dr. Jay Pitocchelli 

Professor Emeritus

Biology Department 

Saint Anselm College

Manchester, NH 03102

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[cobirds] Larimer County

[Libby Edwards]

Hello
This morning we had a Harris Sparrow, male in full breeding plumage, and also a 
Rose Breasted Grosbeak, male not quite in full breeding plumage, in our yard. 
When I tried to put the grosbeak on ebird, I had no option for Rose breasted 
grosbeak.  Please advise.
Libby Edwards
Northwest Fort Collins
Larimer County

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[cobirds] Bird Conservancy of the Rockies Chico Banding Station-May 4, 2023

[Chicobander]

Banding began with a rain delay but not many birds ventured to the banding 
station grove of trees this day. I heard from birders that the birds were 
down at HQ pond willows including many Yellow-rumped Warblers. Water does 
tend to attract more birds. First of the season bird was the Brown 
Thrasher. 

*20 New Birds*
Yellow-rumped Warbler (Myrtle subspecies)- 1
House Wren- 3
Chipping Sparrow- 10
Clay-colored Sparrow- 1
Brewer's Sparrow- 1
Spotted Towhee- 3
Brown Thrasher- 1

Recapture
Spotted Towhee-1

The Banding Station will be operating this week everyday through Saturday 
from sunrise to @11:00AM. Stop on by if you are in the area.
Have a good day!

Julie Shieldcastle
Chico Basin Ranch Bird Bander
Bird Conservancy of the Rockies

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[cobirds] Common Loon Pinewood Res. (Larimer)

[Jeff Kehoe]

I saw a single loon at Pinewood about an hour ago.

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