[cobirds] Dinosaur Ridge - Denver Field Ornithologists (11 Apr 2023) 31 Raptors

2023-04-11 Thread reports 
Dinosaur Ridge - Denver Field Ornithologists
Colorado, USA
Daily Raptor Counts: Apr 11, 2023
---

SpeciesDay's CountMonth Total   Season Total
-- --- -- --
Black Vulture0  0  0
Turkey Vulture  11125140
Osprey   0 12 14
Bald Eagle   0 10 41
Northern Harrier 0  3 14
Sharp-shinned Hawk   1 26 34
Cooper's Hawk9 87105
Northern Goshawk 0  1  8
Red-shouldered Hawk  0  0  0
Broad-winged Hawk0  1  1
Red-tailed Hawk  0 68355
Rough-legged Hawk0  0  0
Swainson's Hawk  0  1  1
Ferruginous Hawk 0  3 43
Golden Eagle 1  3 29
American Kestrel 7105165
Merlin   0  3 13
Peregrine Falcon 0  0  5
Prairie Falcon   0  0  5
Mississippi Kite 0  0  0
Unknown Accipiter0  0  3
Unknown Buteo1  1  2
Unknown Falcon   1  1  1
Unknown Eagle0  0  0
Unknown Raptor   0  0  2

Total:  31450981
--

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

Official Counter:   Carol Cwiklinski

Observers:Janet Peters, Kathie Moses, Sammy Korengut , Steve Ryder 

Visitors:
Thanks to everyone who helped today, enduring difficult conditions for
spotting raptors. Steve, Kathie, Janet, Sammy and Gordon Penley helped
locate and identify birds. The trail was busy with bicyclists and hikers.


Weather:
Today was an eye-burner, sunny with zero cloud cover most of the day. A few
clouds developed over the ridge and west of us late in the day, which
helped us locate a few birds. Temperatures were very warm, and we had a
moderate wind all day. Winds varied in direction but maintained an easterly
component all day.

Raptor Observations:
Raptor movement was slow today. We located birds east, west and over the
ridge, but there was no steady flow of migrants, just a trickle through the
day. We experienced about three hours with no migrants. 

Non-raptor Observations:
Mountain Chickadee, squirrel (maybe red squirrel) at observation. 

Predictions:
Winds are predicted to be strong tomorrow. A red flag warning has been
issued for the ridge, indicating high fire danger due to winds and low
relative humidity.

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


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[cobirds] Red Crossbills on the Big Thompson (Larimer)

2023-04-11 Thread Jeff Kehoe 
I've had about a dozen Red Crossbills at my tray feeder the last couple 
days. Several males & females. What a wonderful site! We are at about 5600 
feet right on the river in the lower canyon.

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[cobirds] Boulder Audubon April Program: Raptor Habitat Management and Songbird Biodiversity

2023-04-11 Thread Sydney Rayl 


*Raptor Habitat Management, and Monitoring of Songbird Acoustic 
Biodiversity on Boulder Open Space and Mountain Parks* 
 

Boulder Open Space and Mountain Parks (OSMP) staff and a group of dedicated 
volunteers have been monitoring raptor nesting success and productivity for 
over 30 years. Raptor reproductive output and OSMP’s adaptive management 
framework employed to protect nesting raptors will be discussed. 

This program will also examine OSMP’s acoustic monitoring project for both 
songbirds and ambient noise, and subsequent analysis in conjunction with 
the listening lab at Colorado State University

*When*: Tuesday, April 25 at 7:15 pm (doors open at 7)

*Where*: Unitarian Universalist Church of Boulder (or online via Zoom. The 
link will be posted to this page 
 on the day 
of the program)

__

*At this time, all persons who enter the UU Church building are required to 
be fully vaccinated against COVID-19. To keep our community healthy, we 
also ask that everyone who attends in person wear a high-quality mask over 
your mouth and nose; stay home if you have symptoms, a known exposure to 
COVID-19, or a positive test result; and confirm a negative result on a 
rapid antigen test prior to attending, if you have recently tested positive 
or had symptoms.*  

To view recordings of previous BCAS programs, visit our YouTube page 
! To see 
other upcoming programs, visit our website 
.

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Re: [cobirds] Large committee of vultures in the skies above Fort Collins

2023-04-11 Thread Ajit Antony 
I hadn't heard of a group of vultures called a committee so I looked it up
online and found :

"The term or name for a group of vultures varies depending on where they
are, although the generic term is a flock. When they are flying in
formation, they are referred to as a kettle. When they are resting in a
tree or on the ground, vultures are called a committee, and whilst feeding,
they are known as a wake."

https://birdfact.com/articles/what-is-a-group-of-vultures-called

Ajit I Antony

Central Park,  CO

On Sat, Apr 8, 2023, 6:19 PM Ajit Antony  wrote:

> At the Dinosaur Ridge Hawk Watch yesterday 4/7/23 we counted 50 TV for the
> day, many in groups of 10 - 15. There could be many TV that bypassed the
> Hawk Watch site reaching Fort Collins.
> Look at the link below. As of today Bocas Ridge in Panama has counted
> 658,302 TV migrating North!
> https://www.hawkcount.org/month_summary.php?rsite=920
>
> Ajit Antony
> Central Park, CO
>
>
> On Sat, Apr 8, 2023, 2:31 PM  wrote:
>
>> I have observed similar scenes in Costa Rica, part of the fall annual
>> Southern Migration accompanied by large numbers of Swainson Hawks. I would
>> assume this is the spring Northern Migration return of large groups
>> choosing to make the trip together.
>>
>> Did you observe any Swainson hawks in the group?
>>
>> Tony Kay
>>
>> Denver.
>>
>> *From:* cobirds@googlegroups.com  *On Behalf
>> Of *gwmcki...@gmail.com
>> *Sent:* Saturday, April 8, 2023 7:34 AM
>> *To:* Colorado Birds 
>> *Subject:* [cobirds] Large committee of vultures in the skies above Fort
>> Collins
>>
>>
>>
>> Yesterday 4/7/23 while enjoying a beer at Stodgy Brewery, a very large
>> flock of what I think are turkey vultures began to gather in the skies
>> above. As far as I could tell, they were not circling one point, as they
>> typically do above a carcass. Instead, the affair almost seemed to be a
>> social one, perhaps a spring mating ritual? See picture attached, you may
>> need to zoom in to see the birds. After this picture was taken, the flock
>> continued to grow in numbers, perhaps reaching 100 or so. Can anyone
>> elaborate  on this behavior?
>>
>>
>>
>> Greg
>>
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>> .
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[cobirds] Snow Geese, Union Reservoir Weld CO

2023-04-11 Thread jay1125 
A bit surprised to see 3 Snow Geese this morning at Union Res. In the NE 
corner, loafing with the resident pelicans. 

Jay Hutchins
Longmont 

Sent from my iPhone

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