[cobirds] Bird Conservancy of the Rockies - Barr Banding Report, September 1

Enjoyed the beautiful, comfortable weather today, banding 44 new birds.  Best bird of the day was a hatch year Red-eyed Vireo.  Here's the breakdown:

Western Wood-pewee 2

Hammond's Flycatcher 1

Dusky Flycatcher 3

Red-eyed Vireo 1

House Wren 4

Yellow Warbler 6

Townsend's Warbler 1

MacGillivray's Warbler 1

Wilson's Warbler 19

Green-tailed Towhee 2

Chipping Sparrow 2

Brewer's Sparrow 1

Song Sparrow 1

If you'd like to visit this fall (and we hope you will): Due to restrictions related to Covid-19, we are requiring visitors to make a reservation and we will have only 6 visitors at the station at a time. We are doing three one-hour time slots, from 8-9, 9-10, and 10-11, 

on Tuesdays and then Thursdays through Sundays, starting this week and running through October 11. There is a $5 per person fee; scholarships are available to those unable to pay. All visitors, staff and volunteers will be wearing masks and people will be expected to socially distance. To register and for more information go to www.birdconservancy.org/bandingregister Please let me know if you have questions!

Meredith McBurney

Bander, Barr Lake Station

Bird Conservancy of the Rockies

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[cobirds] Re: Empid ID help, please (Boulder County)

Thank you all!  The unanimous decision was that this is a Dusky Flycatcher.

Richard

On Tue, Sep 1, 2020 at 2:45 PM Richard Trinkner <richardinboulder@gmail.com> wrote:

Hi folks,

I saw the bird below in the Boulder Community Gardens yesterday afternoon.  At first I thought it was a Dusky Flycatcher (the most common in the Gardens), but it was flicking its tail like a Gray Flycatcher and it looks grayer than a typical Dusky. It was also perched low to the ground, but then in the Gardens there aren't many higher perches. I've stared at the Sibley illustrations of both species for a while now, and can't seem to attain enlightenment. 

I'd appreciate any ID suggestions!

Richard Trinkner

Boulder

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Re: [cobirds] Empid ID help, please (Boulder County)

Hey Richard,

Indeed, this is a Dusky as you initially thought. The dark mandible and messy eye-ring are both pointers for Dusky over Gray, which should have almost entirely orange lower mandibles at all ages, and almost no apparent eye-ring. The way Duskies move their tails can make them easily confused with Gray, since neither of these species typically accompany their tail movement with wing movement, as Hammond's and Least to. However, if you'd paid very careful attention to its tail movement, you likely would've noticed a slight upwards movement before dipping down. In the case of Grays, there is typically null upward movement before dipping. 

Hope this helps :)

David Tonnessen

Boulder, CO

On Tue, Sep 1, 2020, 2:45 PM Richard Trinkner <richardinboulder@gmail.com> wrote:

Hi folks,

I saw the bird below in the Boulder Community Gardens yesterday afternoon.  At first I thought it was a Dusky Flycatcher (the most common in the Gardens), but it was flicking its tail like a Gray Flycatcher and it looks grayer than a typical Dusky. It was also perched low to the ground, but then in the Gardens there aren't many higher perches. I've stared at the Sibley illustrations of both species for a while now, and can't seem to attain enlightenment. 

I'd appreciate any ID suggestions!

Richard Trinkner

Boulder

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[cobirds] Empid ID help, please (Boulder County)

Hi folks,

I saw the bird below in the Boulder Community Gardens yesterday afternoon.  At first I thought it was a Dusky Flycatcher (the most common in the Gardens), but it was flicking its tail like a Gray Flycatcher and it looks grayer than a typical Dusky. It was also perched low to the ground, but then in the Gardens there aren't many higher perches. I've stared at the Sibley illustrations of both species for a while now, and can't seem to attain enlightenment. 

I'd appreciate any ID suggestions!

Richard Trinkner

Boulder

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[cobirds] Re: Cattle Egret, South Platte River, Araphoe County

At 7:15 a.m. today, the large group of snowy egrets was in the pond.  I did not have binoculars, but I saw a bird that looked distinctly different than the snowy egrets.  Good potential it's the cattle egret!

Bryan Arnold

Littleton, Jefferson County

On Monday, August 31, 2020 at 9:50:05 AM UTC-6 bunting...@gmail.com wrote:

Today I found a Cattle Egret with a large group of Snowy Egrets along my South Platte River patch. It was in the pond with all the Egrets. It was still there at 9:30, I could not however post on my phone for some reason.

To get there, park at the Little Golf and Tennis Club, which is on the corner of Federal and Bowels.  5800 S Federal Blvd, Littleton, CO 80123, its the large white dome. Park on the south side, across from Bowels. Follow the trail and walk under the bridge (Bowels underpass) and go south (upstream) about 200 feet (I am not good at judging distance so maybe more.) Its the pond along the dirt trail with the golf course on the other side, there is small grove of trees keeping you from seeing it until you reach the pond. The bird was closet to the trail, with about 34 Snowy Egrets, the most I have seen, and a few Wood Ducks. Hope it's still there.

Good luck,

Brian Johnson,

Englewood CO

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[cobirds] Lewis's Woodpeckers, Boulder Co.

There were 2 Lewis's about 1/3rd mile up the Mesa Trail from the South Mesa parking lot at 7 this morning.  They were in a group of several dead trees 100 yards up the small trail which branches off the Mesa Trail to the right (and later rejoins it).

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R.J. Pautsch

427 Pearl St.

Boulder, CO  80302

rjpautsch@gmail.com

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[cobirds] Re: Centennial Birds (Arapahoe)

To add to this: yesterday evening, I had a Western Wood-Pewee in my backyard and walked out my front door to a Rock Wren. This was  just my second encounter with the latter in my yard. 

- Jared Del Rosso
Centennial, CO

On Monday, August 31, 2020 at 2:49:57 PM UTC-6 jared.d...@gmail.com wrote:

An earlyish Green-tailed Towhee in my Centennial yard this morning, along with a yard first Eastern Kingbird. I don't come upon the latter all that often in Centennial, so this was a real treat. A flock of a dozen Cedar Waxwing swung through this afternoon. A Mountain Chickadee first appeared on 8/23 and was around today, too.

Lark Buntings and Vesper Sparrows at Chapel Hill Memorial Gardens (8/28). Chipping, too, of course. 

Common Nighthawks have been gone (to me) since 8/25, punctuating almost nightly sightings of flocks of the bird, usually feeding, since August 1. I'm sure other migrating birds will pass by before too long. 

Over the past week, the local Swainson's Hawk family is circling overhead, perching on wires, and screeching, dramatically and loudly, all morning long. They've buzzed our yard a few times, often pursued by the local Blue Jay family (also screeching all morning long). 

- Jared Del Rosso

Centennial, CO

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