Re: [cobirds] Philadelphia Vireos

Too add to Luke’s report of Philadelphia Vireos, I have been birding east and south of Baca County in Morton County, Kansas from Sunday to Wednesday morning and saw Philadelphia Vireos at several locations, and then on Thursday, 8 October I saw four in Cimarron County, Oklahoma!  In Kansas, I was also seeing Black-throated Green and Nashville Warblers, and Blue-headed Vireos at several locations in Morton County as well.  Seems like a big movement of those species in SE Colorado and nearby locations in Kansas and Oklahoma.  

The mountain birds were also around this week, I did find Pinyon and Woodhouse’s Scrub-Jays, Evening Grosbeaks, Cassin’s Finch, a Red-naped Sapsucker all in Morton County, Kansas, and both Cassin’s Finch and Evening Grosbeak in Oklahoma, since I have been here Wednesday and Thursday.

Brandon K. Percival
Currently at Black Mesa SP in Oklahoma 

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On Thu, Oct 8, 2026 at 1:14 PM Luke Pheneger <phenegerluke@gmail.com> wrote:

Epic!!! They’re so much fun!

On Thu, Oct 8, 2026 at 11:56 AM Brandon <flammowl17@gmail.com> wrote:

I just saw two in Boise City, Oklahoma and saw a several in Morton County, KS.

Brandon K. Percival
Pueblo West, CO

Sent from my Phone

On Thu, Oct 8, 2026 at 10:12 AM Luke Pheneger <phenegerluke@gmail.com> wrote:

Hi All,

I just thought I’d make a quick post about an exceptional migration event occurring in SE Colorado right now. Over the past 41 hours I have seen 8 Philadelphia Vireos spread across 4 counties. One in Las animas represented the first eBird record for the county. There were also 2 Black Throated Green Warblers at Burchfield SWA in Baca county yesterday. Not really any other rare eastern migrants around.

Luke Pheneger

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[cobirds] Grasshopper Sparrow - Chaffee County

I've been enjoying the various "mountain birds visit the city" threads, but I had the opposite experience. Last weekend I was up at higher elevations in the Buena Vista area and found a grassland bird I wasn't expecting. I stopped by Clear Creek Reservoir on Sunday Oct 5 hoping to find the long staying Western Gull. To my disappointment, Larus-wise, all I found were Ring-billed Gulls. However, I was quite surprised to find a Grasshopper Sparrow, as it seemed a bit out of place, hanging out in a few shrubs on the east edge of the parking area. I checked and according to eBird it is a 2nd observation for Chaffee County with the first observation coming a few days earlier in Salida by James Bennett. 

Complete list & more photos:

https://ebird.org/checklist/S399230440

Happy fall birding!

Jeff Percell
Erie, CO

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[cobirds] Hasty CG (Bent) on 10-9-26

The campground at Lake Hasty was alive today with three things: migrant birds, mosquitoes, and small moths.  

Birds included:

Black-throated Green Warbler (1, maybe 2)

Northern Parula (1)

Blue-headed Vireo (1)

Philadelphia Vireo (1)

Evening Grosbeak (1, maybe a few more)

Yellow-rumped Warbler (20+)

Ruby-crowned Kinglet (8+)

Hermit Thrush (1)

Chipping Sparrow (40+)

Total of 36 species

It was fun except for the mosquitoes.  Lots of campers pulling into the cg for the weekend's summer weather.

Dave Leatherman

Fort Collins (currently in Lamar)

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[cobirds] Calling All Volunteers: Brown-capped Rosy-Finch Surveying!

 📣 Calling all volunteers! 📣

Interested in helping preserve & understand one of Colorado's most sought-after species? Help the Rosy-Finch Winter Project by surveying habitats and monitoring feeders to strengthen our understanding on the Brown-capped Rosy-Finch. Colorado’s Brown-capped Rosy-Finch is a species of conservation concern, but there are still important gaps in our understanding of where they spend the winter. The Rosy-Finch Winter Project has identified key winter habitats that are currently under-sampled.

Volunteers will help fill these gaps by visiting priority habitats during the 2026–27 non-breeding season and documenting the birds and other relevant observations they encounter. All ages and experience levels are invited to help survey under-sampled winter habitats across Colorado, particularly in the mountains and along the Front Range. Experience with rosy-finch identification is helpful but not required. Volunteers can participate in a single survey or multiple surveys throughout the winter, with locations and timing coordinated based on their availability and abilities. If you’re interested in participating, please fill out the volunteer interest form below. Volunteers that express interest will receive follow-up information and details on surveying priorities.

Learn more: projectrosyfinch.framer.website

Volunteer interest form: https://forms.gle/qs8sbhb1aBzQQde29

This research has led to some super fascinating results (findings regarding climate change's impact on their migration, quantitative response to snowfall, priority habitat usage, and more!) Feel free to email me(colorado.birdresearch@gmail.com) for more details!

Grant Brandberg

Highlands Ranch, CO

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[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 10/8/26

Another slow, hot day, with some interesting captures:

• One of the European Starlings that serenades us each morning with their mimicry of various other species decided to officially visit today.  They are rarely caught, high personality birds that we can't help but enjoy.
• A Mountain Chickadee. We occasionally catch MOCH/BCCH hybrids, but this is the first MOCH since 2017.
• A latish Wilson's Warbler, an adult female, that had a ton (that's a scientific term) of fat and weighed in at 9.2 grams; I think the only one this season over 9 grams.  Just enjoying the scenery going south?!

Okay, here's the official breakdown of the day's 18 new birds:

Mountain Chickadee 1

Red-breasted Nuthatch 1

Ruby-crowned Kinglet 3

European Starling 1

Wilson's Warbler 1

Song Sparrow 2

Lincoln's Sparrow 1

White-crowned Sparrow, Gambel's 4

Dark-eyed Junco, Oregon 4

We are open Tuesday through Sunday, weather permitting, through October 23.  Most weekday mornings there is a visitor session from 8 to 9 a.m., and on the weekends there are sessions at 8, 9 and 10 a.m. Reservations are needed; here is the link.   Please join us......It is a great year to visit Barr!

Meredith McBurney

Bander, Barr Lake Station

Bird Conservancy of the Rockies

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[cobirds] Mount Zion Hawk Watch at Windy Saddle Park (08 Oct 2026) 10 Raptors

Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA

To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org. This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado. To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site. EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested. See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk

Daily Raptor Counts: Oct 08, 2026
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	1	21	269
Osprey	0	0	26
Bald Eagle	0	1	6
Northern Harrier	0	6	24
Sharp-shinned Hawk	0	8	27
Cooper's Hawk	1	46	226
American Goshawk	0	0	0
Broad-winged Hawk	0	7	109
Red-tailed Hawk	6	72	547
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	4	193
Ferruginous Hawk	0	0	1
Golden Eagle	2	4	18
American Kestrel	0	10	139
Merlin	0	0	4
Peregrine Falcon	0	0	1
Prairie Falcon	0	0	2
Mississippi Kite	0	0	0
Unknown Accipitrine	0	1	4
Unknown Buteo	0	1	8
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	0	3	13
Total:	10	184	1617

Observation start time:	08:30:00
Observation end time:	12:30:00
Total observation time:	4 hours
Official Counter	Ajit Antony
Observers:

Visitors:
Jane Haddock from Lakewood saw our eBird reports, realize there was a new hawk watch at Mount Zion, and came up for a while with binoculars. She said she remembers me from Dinosaur Ridge when the Bird Conservancy of the Rockies Managed it, and had done on a trip to Veracruz with HMANA with Phil and Julie Brown.

Weather:
Denver was hazy, completely cloudless blue sky to begin with, but by the 12:00 p.m. MDT hour there was 50% cloud cover, cumulus clouds coming in from the west and gradually covering overhead, Northeast and Southwest giving me a good backdrop to look for migrant raptors. I scanned in all directions and overhead was only able to find 1 CH there. Denver's notorious Brown Haze was visible over the horizon and it took until the 12:00 hour for it as well as the haziness over Denver to clear up. Before it cleared up the immersion layer would reduce the height that thermals could lift up to, so my question to myself was Since there are a few migrants, is it because they sense that conditions are poor for migration so are not flying, or whether they're flying too high for me to be able to detect them with binoculars. Today I was able to feel that since my attempts to find migrants against a good cloudy background did not yield much, my conclusion is that the hawks were not flying in large numbers today.

Raptor Observations:
The first migrant was an RT by 9:30 a.m.. 2 adult GE migrated at 12:01 p.m. The Soaring Forecast of the NWS predicted excellent lift at 18 ft/second with thermals at 12,696 FT AGL by 11:45 a.m. Non-migrant raptors: RT 6 including a dark morph juvenile we lastt saw in September which together with another light move juvenile were checking out 2 adult migrant RT, TV 2.

Non-raptor Observations:
3 paragliders at 10:45 a.m. had no lift whatsoever, the 2 at 11:35 a.m. had moderate lift and by 12:30 had excellent left going really high, so also could the raptors, limited by the height of the cumulus clouds which would in Golden Colorado be around 10,000 to 11,000 ft AGL, i.e. 3000 to 4000 ft above the watch, at which height I should be able to see them especially against good cumulus clouds. https://ebird.org/checklist/S400372422

Predictions:
Increasing clouds, with a high near 84. West wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 17 mph. The winds are aloft predicted by earth.nullschool.net are light from the SW.

---

Report submitted by Ajit Antony (aiantony@earthlink.net)
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

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[cobirds] Philadelphia Vireos

Hi All,

I just thought I’d make a quick post about an exceptional migration event occurring in SE Colorado right now. Over the past 41 hours I have seen 8 Philadelphia Vireos spread across 4 counties. One in Las animas represented the first eBird record for the county. There were also 2 Black Throated Green Warblers at Burchfield SWA in Baca county yesterday. Not really any other rare eastern migrants around.

Luke Pheneger

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[cobirds] Mount Zion Hawk Watch at Windy Saddle Park (07 Oct 2026) 28 Raptors

Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA

To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org. This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado. To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site. EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested. See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk

Daily Raptor Counts: Oct 07, 2026
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	7	20	268
Osprey	0	0	26
Bald Eagle	0	1	6
Northern Harrier	3	6	24
Sharp-shinned Hawk	0	8	27
Cooper's Hawk	2	45	225
American Goshawk	0	0	0
Broad-winged Hawk	0	7	109
Red-tailed Hawk	10	66	541
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	4	193
Ferruginous Hawk	0	0	1
Golden Eagle	1	2	16
American Kestrel	2	10	139
Merlin	0	0	4
Peregrine Falcon	0	0	1
Prairie Falcon	0	0	2
Mississippi Kite	0	0	0
Unknown Accipitrine	0	1	4
Unknown Buteo	0	1	8
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	3	3	13
Total:	28	174	1607

Observation start time:	08:30:00
Observation end time:	12:30:00
Total observation time:	4 hours
Official Counter	Ajit Antony
Observers:	Liza Antony

Visitors:
One visitor asked what we were looking at and thanked to me when I told him.

Weather:
Haze around Denver with a brown layer above the horizon representing a subsidence inversion (with PM 10 at a high level) which gradually cleared. Starting cloud cover cirrocumulus 35% which dissipated, with 20% at the end all cumulus far to the West. Cool all day especially out of the sun.

Raptor Observations:
The first migrant was an NH at 9:54 a.m. MDT. A group of 6 TV migrating together had to flap a lot while they were circling in a thermal. The high pressure zone over Denver created the subsidence inversion layer, which in turn kept thermals low until the layer dissipated, keeping the hawks at the level that we could find them, though the Soaring Forecast was for excellent lift at 15 ft per second with the height of thermals to 10,546 ft. AGL by 12:45 p.m. MDT. Non-migrant raptors: GE adult was dived on by a CORA, RT 6 one of which was carrying a stick in the Kestrel Channel followed by another adult RT perhaps reinforcing pair bonds, TV 1.

Non-raptor Observations:
https://ebird.org/checklist/S400164169 2 paraglider at 11:00 a.m. had no lift whatsoever staying low above the Coors Brewery, 1 at noon had moderate lift. A single hang glider had more than moderate lift.

Predictions:
Sunny, with a high near 83. West wind 5 to 7 mph becoming east in the afternoon. The winds I left are predicted to start in the West, change to the SE then East.

---

Report submitted by Ajit Antony (aiantony@earthlink.net)
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

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[cobirds] Mount Zion Hawk Watch at Windy Saddle Park (07 Oct 2026) 28 Raptors

Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA

To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org. This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado. To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site. EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested. See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk

Daily Raptor Counts: Oct 07, 2026
Species	Day's Count	Month Total	Season Total
Black Vulture	0	0	0
Turkey Vulture	7	20	268
Osprey	0	0	26
Bald Eagle	0	1	6
Northern Harrier	3	6	24
Sharp-shinned Hawk	0	8	27
Cooper's Hawk	2	45	225
American Goshawk	0	0	0
Broad-winged Hawk	0	7	109
Red-tailed Hawk	10	66	541
Rough-legged Hawk	0	0	0
Swainson's Hawk	0	4	193
Ferruginous Hawk	0	0	1
Golden Eagle	1	2	16
American Kestrel	2	10	139
Merlin	0	0	4
Peregrine Falcon	0	0	1
Prairie Falcon	0	0	2
Mississippi Kite	0	0	0
Unknown Accipitrine	0	1	4
Unknown Buteo	0	1	8
Unknown Falcon	0	0	0
Unknown Eagle	0	0	0
Unknown Raptor	3	3	13
Total:	28	174	1607

Observation start time:	08:30:00
Observation end time:	12:30:00
Total observation time:	4 hours
Official Counter	Ajit Antony
Observers:	Liza Antony

Visitors:
One visitor asked what we were looking at and thanked to me when I told him.

Weather:
Haze around Denver with a brown layer above the horizon representing a subsidence inversion (with PM 10 at a high level) which gradually cleared. Starting cloud cover cirrocumulus 35% which dissipated, with 20% at the end all cumulus far to the West. Cool all day especially out of the sun.

Raptor Observations:
The first migrant was an NH at 9:54 a.m. MDT. A group of 6 TV migrating together had to flap a lot while they were circling in a thermal. The high pressure zone over Denver created the subsidence inversion layer, which in turn kept thermals low until the layer dissipated, keeping the hawks at the level that we could find them, though the Soaring Forecast was for excellent lift at 15 ft per second with the height of thermals to 10,546 ft. AGL by 12:45 p.m. MDT. Non-migrant raptors: GE adult was dived on by a CORA, RT 6 one of which was carrying a stick in the Kestrel Channel followed by another adult RT perhaps reinforcing pair bonds, TV 1.

Non-raptor Observations:
https://ebird.org/checklist/S400164169 2 paraglider at 11:00 a.m. had no lift whatsoever staying low above the Coors Brewery, 1 at noon had moderate lift. A single hang glider had more than moderate lift.

Predictions:
Sunny, with a high near 83. West wind 5 to 7 mph becoming east in the afternoon. The winds I left are predicted to start in the West, change to the SE then East.

---

Report submitted by Ajit Antony (aiantony@earthlink.net)
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]

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[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 10/7/26

The story of the first full week in October continues.......warmer than normal weather and relatively few birds banded. A total of 15 today, at least 1 of pretty much every expected species:

Red-breasted Nuthatch 2

Rock Wren 1

Ruby-crowned Kinglet 1

Hermit Thrush 1

Spotted Towhee 1

Song Sparrow 2

Lincoln's Sparrow 2

White-crowned Sparrow, Gambel's 2

White-crowned Sparrow, Mountain 1

White-crowned Sparrow, unidentified 1

Dark-eyed Junco, Oregon 1

We are open Tuesday through Sunday, weather permitting, through October 23.  Most weekday mornings there is a visitor session from 8 to 9 a.m., and on the weekends there are sessions at 8, 9 and 10 a.m. Reservations are needed; here is the link.   Please join us......It is a great year to visit Barr!

Meredith McBurney

Bander, Barr Lake Station

Bird Conservancy of the Rockies

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[cobirds] And Now It's Crossbills - SW Denver

In keeping with “Mountains in the City”, we had a small flock (9) of “Ponderosa” (aka Type 2) RED CROSSBILLs in their namesake trees while walking the dogs today (Weds, 7 Oct’26) up at Huston Park (SW Denver, Denver Co.); did get a good recording which I’ll attach to an eBird list when I get to the task.  In addition, had a single CASSIN’S FINCH and our continuing MOUNTAIN CHICKADEEs at the house, but no repeat Evening Grosbeak…yet.  What’s next, Ptarmigan?  Keep your ears and eyes open as the mountain wave continues.

 

Good Birding,

Doug

Currently Denver

 

[cobirds] Bird Conservancy of the Rockies - Barr Lake Banding Report, 10/6/26

As we all know, we are experiencing some of the hottest weather ever for early October.  It seems wrong to most of us, and perhaps the birds feel the same way........whatever the cause, today was the slowest day of the season, with only 7 birds banded:

Sharp-shinned Hawk 1 (our second of the season, the other was caught on Saturday)

Ruby-crowned Kinglet 2

Spotted Towhee 1

White-crowned Sparrow, Gambel's 2

Dark-eyed Junco, Oregon 1

We are open Tuesday through Sunday, weather permitting, through October 23.  Most weekday mornings there is a visitor session from 8 to 9 a.m., and on the weekends there are sessions at 8, 9 and 10 a.m. Reservations are needed; here is the link.   Please join us......It is a great year to visit Barr!

Meredith McBurney

Bander, Barr Lake Station

Bird Conservancy of the Rockies

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Re: [cobirds] Townsend’s Solitaire, Louisville

Pat,

Solitaires defend fall and winter feeding territories, using song, calls and lots of chasing. 

David

Sent from my iPhone

On Oct 6, 2026, at 7:00 AM, Buzz Schaumberg <egseagle171@aol.com> wrote:

 Cool.

Sent from the all new Aol app for iOS

Buzz Schaumberg 

On Tuesday, October 6, 2026, 1:24 AM, Patrick O'Driscoll <patodrisk@gmail.com> wrote:

Along with juncos, solitaires are my favorite harbinger of the coming winter -- and they are definitely back in Denver City Park.

Monday evening two pairs of them were doing something I'd never witnessed before:

Madly chasing each other in and out of and around the tight confines of the park's "pinetum" conifer grove, below the south wall of the Denver Museum of Nature & Science.

And they were singing -- not calling yet -- all the while.

At one point I stood still as they repeatedly whooshed past at eye/head level, oblivious of me.

Occasionally one or another would alight on an evergreen branch for a few seconds, still warbling, then resuming the circular chase.  This went on for a good 15 minutes, maybe more.

The pinetum has a number of berry-filled junipers that will tide over one of these very territorial birds through the coming winter. It's a favorite stop on birding rounds of the park to catch that soft yet penetrating whistle:

heep . . . heep . . . heep . . .

Patrick O'Driscoll

Denver

 

On Mon, Oct 5, 2026 at 5:51 PM David Suddjian <dsuddjian@gmail.com> wrote:

Solitaires are very common right now in juniper habitats in the lowest JeffCo foothills. We counted 85 on a 3 hour morning walk at Mt Falcon on Oct 3. Twenty in 0,2 miles at Deer Creek Canyon on Sept 27. For example . . .  

David Suddjian

Littleton, CO

On Mon, Oct 5, 2026 at 5:35 PM 'DuWayne Worthington' via Colorado Birds <cobirds@googlegroups.com> wrote:

I also saw a Townsends Solitaire at the Marjorie Nature Preserve while searching for the Couch's Kingbird yesterday on Sunday morning.  We first heard it off in the distance, and then when walking out, it was at eye-level in one of the trees on the trail.  We were like, "Oh, there you are!"

DuWayne  Worthington Instructional Faculty ‑ Science 303.471.3278  |  duwayne.worthington@valorchristian.com

On Mon, Oct 5, 2026 at 5:15 PM Paula Hansley <plhansley@gmail.com> wrote:

At 10:15 am I heard the familiar whistle of the Townsend’s Solitaire for the first time this fall!

The call was coming from a tall juniper tree east of my property.

It’s amazing how far its whistle carries!

Paula Hansley

Boulder County

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[cobirds] Couch’s Kingbird moving around

FWIW, the bird is now atop the tall lone cottonwood at the east end of the loop around the lake and marsh area, well east where it has been reliably seen previously.

39.61803° N, 104.92963° W

Patrick O’Driscoll 

Denver

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[cobirds] (Mountain) Birds of a Feather - SW Denver

To continue the “Mountain Birds in the Plains” thread, the (?) female EVENING GROSBEAK seen last week and heard a few times since here in the Athmar Park/Huston Park neighborhood (SW Denver, Denver Co.) returned this morning (Tues., 6 Oct’26), but this time was with three (3) CASSIN’S FINCHs.  First heard the grosbeak calling off in the distance, but then picked up the Cassin’s calling before they all flew over our yard together giving good looks.  You know how you bump into someone you know at a concert, then end up hanging out with them for the rest of the show…thinking this might be a similar situation.  In addition like many of you, we had a couple of TOWNSEND’S SOLITAIREs bounce through yard last night, so they are back too.

 

Good Mtn Birding,

Doug

Currently Denver

This is urgent!

I have a financial proposition for you. Your email was provided as an active user on the internet by google LLC. Reply for more information Mrs Sigrid Rausing

Re: [cobirds] Townsend’s Solitaire, Louisville

Cool.

Sent from the all new Aol app for iOS

Buzz Schaumberg 

On Tuesday, October 6, 2026, 1:24 AM, Patrick O'Driscoll <patodrisk@gmail.com> wrote:

Along with juncos, solitaires are my favorite harbinger of the coming winter -- and they are definitely back in Denver City Park.

Monday evening two pairs of them were doing something I'd never witnessed before:

Madly chasing each other in and out of and around the tight confines of the park's "pinetum" conifer grove, below the south wall of the Denver Museum of Nature & Science.

And they were singing -- not calling yet -- all the while.

At one point I stood still as they repeatedly whooshed past at eye/head level, oblivious of me.

Occasionally one or another would alight on an evergreen branch for a few seconds, still warbling, then resuming the circular chase.  This went on for a good 15 minutes, maybe more.

The pinetum has a number of berry-filled junipers that will tide over one of these very territorial birds through the coming winter. It's a favorite stop on birding rounds of the park to catch that soft yet penetrating whistle:

heep . . . heep . . . heep . . .

Patrick O'Driscoll

Denver

 

On Mon, Oct 5, 2026 at 5:51 PM David Suddjian <dsuddjian@gmail.com> wrote:

Solitaires are very common right now in juniper habitats in the lowest JeffCo foothills. We counted 85 on a 3 hour morning walk at Mt Falcon on Oct 3. Twenty in 0,2 miles at Deer Creek Canyon on Sept 27. For example . . .  

David Suddjian

Littleton, CO

On Mon, Oct 5, 2026 at 5:35 PM 'DuWayne Worthington' via Colorado Birds <cobirds@googlegroups.com> wrote:

I also saw a Townsends Solitaire at the Marjorie Nature Preserve while searching for the Couch's Kingbird yesterday on Sunday morning.  We first heard it off in the distance, and then when walking out, it was at eye-level in one of the trees on the trail.  We were like, "Oh, there you are!"

DuWayne  Worthington Instructional Faculty ‑ Science 303.471.3278  |  duwayne.worthington@valorchristian.com

On Mon, Oct 5, 2026 at 5:15 PM Paula Hansley <plhansley@gmail.com> wrote:

At 10:15 am I heard the familiar whistle of the Townsend’s Solitaire for the first time this fall!

The call was coming from a tall juniper tree east of my property.

It’s amazing how far its whistle carries!

Paula Hansley

Boulder County

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