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Colorado Birds

1–30 of 48593

Welcome to COBirds, a free e-mail list established in 1995 for the discussion of Colorado birds. COBirds is managed by Colorado Field Ornithologists. You must be subscribed to post a message. Our "rules of the road" can be found here: https://cobirds.org/cobirds-guidelines/

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7:54 PM

Chatfield Banding Station - Bird Conservancy of the Rockies 4/30/25

Another early spring day for us - banded 6 birds, caught 2 returns (birds that were banded in prior

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Chatfield Banding Station - Bird Conservancy of the Rockies 4/30/25

Another early spring day for us - banded 6 birds, caught 2 returns (birds that were banded in prior

7:54 PM

Gary Brower, … Ajit Antony3

5:39 PM

Migration question

I can tell you that all species of raptors migrate along the Front Range. If you go to hawkcount.org

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Migration question

I can tell you that all species of raptors migrate along the Front Range. If you go to hawkcount.org

5:39 PM

Julia Shieldcastle

2:49 PM

Chico Basin Ranch Banding Station Report- Bird Conservancy of the Rockies- April 30, 2025

For the first full day of banding it seemed quiet with birds. Seven birds were banded including 5

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Chico Basin Ranch Banding Station Report- Bird Conservancy of the Rockies- April 30, 2025

For the first full day of banding it seemed quiet with birds. Seven birds were banded including 5

2:49 PM

Charles Hundertmark

12:51 PM

Gray Flycatcher singing at Colorado National Monument, Mesa Co.

A belated report from the weekend in Grand Junction. While in there for a Colorado Field

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Gray Flycatcher singing at Colorado National Monument, Mesa Co.

A belated report from the weekend in Grand Junction. While in there for a Colorado Field

12:51 PM

Charles Hundertmark

12:27 PM

Northern Parula at Walden Ponds, Boulder County

This morning at Walden Ponds, while attempting to get a Merlin recording of a recently arrived

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Northern Parula at Walden Ponds, Boulder County

This morning at Walden Ponds, while attempting to get a Merlin recording of a recently arrived

12:27 PM

rep...@hawkcount.org

Apr 29

Dinosaur Ridge - Denver Field Ornithologists (29 Apr 2025) 54 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 29, 2025

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Dinosaur Ridge - Denver Field Ornithologists (29 Apr 2025) 54 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 29, 2025

Apr 29

Apr 29

Chatfield Banding Station - Bird Conservancy of the Rockies 4/27 & 4/29/25

Sunday (4/27) was such a strange day that I didn't even report. The first day I can remember when

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Chatfield Banding Station - Bird Conservancy of the Rockies 4/27 & 4/29/25

Sunday (4/27) was such a strange day that I didn't even report. The first day I can remember when

Apr 29

Apr 29

Black chinned hummer and western tanager, Larimer County

I went out to change the hummingbird feeders and was greeted with both a western tanager looking for

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Black chinned hummer and western tanager, Larimer County

I went out to change the hummingbird feeders and was greeted with both a western tanager looking for

Apr 29

Julia Shieldcastle

Apr 29

Chico Basin Ranch Banding Station- Bird Conservancy of the Rockies 4/29/2025

Hi! The first day of spring banding at Chico Basin Ranch. Net lanes and nets were set and we were

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Chico Basin Ranch Banding Station- Bird Conservancy of the Rockies 4/29/2025

Hi! The first day of spring banding at Chico Basin Ranch. Net lanes and nets were set and we were

Apr 29

Apr 29

I heard the first House Wren singing a few minutes ago in my neighborhood! Paula Hansley Louisville

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I heard the first House Wren singing a few minutes ago in my neighborhood! Paula Hansley Louisville

Apr 29

rep...@hawkcount.org

Apr 29

Dinosaur Ridge - Denver Field Ornithologists (28 Apr 2025) 12 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 28, 2025

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Dinosaur Ridge - Denver Field Ornithologists (28 Apr 2025) 12 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 28, 2025

Apr 29

George Mayfield

Apr 28

Call for Photographs – Colorado Birds Journal - Winter 2024-25 (December-February)

Dear CO Birders, We're excited to invite you once again to share your outstanding photographs for

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Call for Photographs – Colorado Birds Journal - Winter 2024-25 (December-February)

Dear CO Birders, We're excited to invite you once again to share your outstanding photographs for

Apr 28

Ted Floyd, David Suddjian2

Apr 28

Thoughts on the Waneka Lake duck (& other thoughts, too; fancy that)

Ted, Thanks for an interesting look and consideration of that Waneka duck, I'm not even gonna

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Thoughts on the Waneka Lake duck (& other thoughts, too; fancy that)

Ted, Thanks for an interesting look and consideration of that Waneka duck, I'm not even gonna

Apr 28

rep...@hawkcount.org

Apr 27

Dinosaur Ridge - Denver Field Ornithologists (27 Apr 2025) 32 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 27, 2025

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Dinosaur Ridge - Denver Field Ornithologists (27 Apr 2025) 32 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 27, 2025

Apr 27

Jared Del Rosso

Apr 27

Do they or don't they - C. Poorwill nesting in urban Denver?

This morning, I dropped my wife off for a very early bus to a pretty early flight, then went

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Do they or don't they - C. Poorwill nesting in urban Denver?

This morning, I dropped my wife off for a very early bus to a pretty early flight, then went

Apr 27

Apr 26

Bird Conservancy of the Rockies - Chatfield Banding Station, 4/26/25

We got drizzled out yesterday; happy to be back in business again this morning! It was a slow, early

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Bird Conservancy of the Rockies - Chatfield Banding Station, 4/26/25

We got drizzled out yesterday; happy to be back in business again this morning! It was a slow, early

Apr 26

Apr 26

BIRD BOMBS Spring Learning Resources

DFO's BIRD BOMBS Video Library has a suite of sweet videos to help prepare for spring migrants

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BIRD BOMBS Spring Learning Resources

DFO's BIRD BOMBS Video Library has a suite of sweet videos to help prepare for spring migrants

Apr 26

rep...@hawkcount.org

Apr 26

Dinosaur Ridge - Denver Field Ornithologists (25 Apr 2025) 2 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 25, 2025

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Dinosaur Ridge - Denver Field Ornithologists (25 Apr 2025) 2 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 25, 2025

Apr 26

charles...@gmail.com

Apr 26

Denver Spring Bird Count 9-11 May

Denver Spring Bird Count 9-11 May 2025 The following areas will be counted over 9-11 May. Please

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Denver Spring Bird Count 9-11 May

Denver Spring Bird Count 9-11 May 2025 The following areas will be counted over 9-11 May. Please

Apr 26

Apr 25

Hello all, I've been doing a lot of birding in coniferous habitats in Colorado's Central

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Hello all, I've been doing a lot of birding in coniferous habitats in Colorado's Central

Apr 25

Apr 25

More spring arrivals, Broomfield, Westminster, Boulder

All: More summer residents and spring migrants coming through. These are mostly from today (Friday 4/

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More spring arrivals, Broomfield, Westminster, Boulder

All: More summer residents and spring migrants coming through. These are mostly from today (Friday 4/

Apr 25

Apr 24

Opening Day - Chatfield Banding Station, Bird Conservancy of the Rockies 4-24-25

Spring banding is officially underway at our Chatfield Banding Station! I'm pleased to report

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Opening Day - Chatfield Banding Station, Bird Conservancy of the Rockies 4-24-25

Spring banding is officially underway at our Chatfield Banding Station! I'm pleased to report

Apr 24

rep...@hawkcount.org

Apr 24

Dinosaur Ridge - Denver Field Ornithologists (23 Apr 2025) 329 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 23, 2025

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Dinosaur Ridge - Denver Field Ornithologists (23 Apr 2025) 329 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 23, 2025

Apr 24

Sally Waterhouse

Apr 23

Pinyon Jay REMINDER!!

Colorado Field Ornithologists has been collaborating with Great Basin Bird Observatory and other

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Pinyon Jay REMINDER!!

Colorado Field Ornithologists has been collaborating with Great Basin Bird Observatory and other

Apr 23

Apr 23

Smith was Poppin

Smith Reservoir put on quite a show for John Stump and I today. With no winds, the lake was a delight

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Smith was Poppin

Smith Reservoir put on quite a show for John Stump and I today. With no winds, the lake was a delight

Apr 23

DAVID A LEATHERMAN

Apr 23

Random observations (Larimer and Weld Counties)

To avoid watching the news yesterday, I stuck my head in the sand and went up to the Hamilton

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Random observations (Larimer and Weld Counties)

To avoid watching the news yesterday, I stuck my head in the sand and went up to the Hamilton

Apr 23

Apr 23

Warbler flock, Twin Lakes, Boulder

CObirders, There is a small warbler Flock in the trees at the SW corner of Twin Lakes. So far, all

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Warbler flock, Twin Lakes, Boulder

CObirders, There is a small warbler Flock in the trees at the SW corner of Twin Lakes. So far, all

Apr 23

Robert Bierling

Apr 23

Female Broadtail Hummingbird today. Denver

Great to see her early this morning. East Hampden Ave and Monaco. Bob & Nancy Bierling 6940 E

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Female Broadtail Hummingbird today. Denver

Great to see her early this morning. East Hampden Ave and Monaco. Bob & Nancy Bierling 6940 E

Apr 23

Jared Del Rosso3

Apr 23

Backyard nest building - Arapahoe

And for the House Finches, a tragic end: Black-billed Magpies discovered the nest this morning. A

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Backyard nest building - Arapahoe

And for the House Finches, a tragic end: Black-billed Magpies discovered the nest this morning. A

Apr 23

rep...@hawkcount.org

Apr 23

Dinosaur Ridge - Denver Field Ornithologists (22 Apr 2025) 159 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 22, 2025

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Dinosaur Ridge - Denver Field Ornithologists (22 Apr 2025) 159 Raptors

Dinosaur Ridge - Denver Field Ornithologists Golden, Colorado, USA Daily Raptor Counts: Apr 22, 2025

Apr 23

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