[cobirds] scope eyepiece and birds at Hamilton Reservoir (Larimer) on 9Jan2024

If you lost a Pentax 20-60x scope eyepiece at the Observation Site on the south side of Hamilton Reservoir (Larimer), contact me privately. I have the eyepiece. I failed in my second attempt to see either Red-necked Grebe or Greater Scaup today, both of which have been reported at the res.

[cobirds] Grandview Cemetery (Larimer) of late

I continue to visit Grandview Cemetery at the west terminus of Mountain Avenue in Fort Collins, regardless of it being a rather lackluster autumn migration for unusual species so far. Of course, the cemetery only has water in the form of a now-turned-off irrigation ditch and the focus is

[cobirds] birds vs birds

The Colorado Rockies seem to find a new way to lose almost every day. For those of you who are fond of baseball but find the Rockies hard to hang with, I bring to your attention to a continuing homestand of the NOCO Owlz vs the Idaho Falls Chukars in Windsor tonight, tomorrow and day after

[cobirds] "millers"

I just got back from a long visit to Lamar and was privileged to see many great birds. But this post is not about those awesome birds as much as it is intended to give millers their due as fuel for those birds. A broad spectrum of birds species, especially those migrating here from points

Fw: [cobirds] Rare warbler diets

I intended this to go to everyone, not just Nathan. Sorry. Dave From: DAVID A LEATHERMAN Sent: Saturday, April 22, 2023 10:23 AM To: Nathan Pieplow Subject: Re: [cobirds] Rare warbler diets Nathan et al, Short answer is "I don't know". Long guess is

[cobirds] teachable moments

Congrats to all the predictors, finders and successful refinders of the great birds causing us spring excitement after what has seemed like a very long winter. As always I encourage folks to document these situations beyond what and where. OK, so I'm into behaviors, particularly related to

[cobirds] Still more Bohemian Waxwing diet info

Here are more additions to the diet of Bohemian Waxwings during their winter 2022-2023 visit to Colorado: *Mike Britton reports them eating the cones of common juniper (Juniperus communis) at the Florissant Fossil Beds. This woody plant is native to our mountains and has a low-growing,

[cobirds] Bohemian Waxwing diet

The other day I asked COBIRDS participants to please let me know if they had seen Bohemian Waxwings during the current invasion eat anything other than crabapples, Rocky Mountain juniper cones (berries), common buckthorn fruits and Russian-olives. The response has been wonderful and here are

[cobirds] recent observations related to food

COBIRDERS, 1) We have seen a rather remarkable influx of Cassin's finches to the lower elevations of the Front Range just east of the foothills this winter. Almost all the individuals I have seen, and this is backed up by reports on COBIRDS and eBird, involve brown-striped females or

[cobirds] Lamar area (Prowers) of late

Just got back from a visit to the Lamar area. Main mission was participation in the High Plains Snow Goose Festival. I led two field trips to the Lamar Community College Woods. One was in late afternoon on 2/3, one was early morning on 2/4. Target birds was Northern Cardinal, which we

[cobirds] Trumpeter Swans on Warren Lake, Fort Collins (Larimer)

Mary Stewart reports two Trumpeter Swans on Warren Lake in Fort Collins. As of yesterday she says they have been present for the past week. One leaves daily, while the other stays on the lake. I am simply passing on Mary's observation and make no claims as to the ID or best access to this

[cobirds] late warblers in CO

Two additions (hooded and bay-breasted) bring the total species of warblers in CO since November 1, 2022 to 23. That is pretty remarkable. "Misses" (with a small "m") from the 2022 list would seem to be palm and blackburnian, as they have occurred more than once late in previous years. Dave

[cobirds] late warblers in CO

Kudos to Lori Z. in Fort Collins for finding a very late Northern Waterthrush along the Poudre which was warbler species #19 on my draft list for CO since November 1, 2022. Brandon and Tyler have added Cape May and American Redstart, respectively, for a total so far of 21. People fluent in

[cobirds] late warblers in CO

By my count, Colorado has hosted at least 19 species of warblers since November 1st. I probably missed one or two. The list jotted down includes (in no particular order): prothonotary black-and-white northern parula yellow-rumped chestnut-sided yellow-throated pine Nashville Townsend's common

[cobirds] Warbler situation at CU (Boulder)

Swamp White Oak should be Quercus bicolor. There is a typo in my previous note this morning. FYI, the Chestnut-sided Warbler first found on 11Nov2022 CONTINUES this morning in the beech grove in the southwest corner of the CSU PERC gardens west of the football stadium, feeding away in the

[cobirds] Warbler situation at CU (Boulder)

Wanting to see the warbler situation at the CU Regents Building firsthand, I visited it yesterday on my way home from Denver. The tree that appears to have been the epicenter of activity is, indeed, a European Beech (Fagus sylvatica). It had aphids, which I believe are Phyllaphis fagi. The

Re: [cobirds] Nashville Warbler joins the CU Boulder warbler extravaganza, 11/14

Nathan et al, I have looked at many on-line photos of these late warblers on the CU campus and it looks to me like the non-oak is a European beech (Fagus sylvatica) with the same aphid (Phyllaphis fagi) that is the key to the warbler show at the Plant Environmental Research Center (PERC)

[cobirds] more about the aphid situation in Boulder

I received wonderful photos of both the current Boulder prothonotary and northern parula with FLIES in their beaks. Flies from a few families (Calliphoridae, Muscidae, Tachinidae, Sarcophagidae, Syrphidae, others) regularly or at least occasionally seek out aphid honeydew deposited on plant

Re: [cobirds] Parula and Prothontary on CU Boulder campus

Nathan et al, The situation certainly has aphids at its core. The sticky substance is aphid excrement called "honeydew". The aphids suck sap from trees, utilize the nitrogenous compounds, excrete the sugars. Many other creatures, mostly other insects, seek out the honeydew. Yellowjackets,

[cobirds] Crow Valley Campground on 9/12/22 (Weld)

Crow Valley CG seemed sort of slow yesterday but with a bird here and a bird there, the total list of 46 species was decent. Highlights including running into friend Norm Lewis, clearly hearing several times over a period of about an hour a lone pinyon jay that we could never lay eyes on,

[cobirds] Mormon crickets and birds

I did a little research this morning. A lot of birds from many different families are recorded as eating them. One article alone, written in 1941 in Nevada, mentions the following species (in no formal order): turkey vulture, sharp-shinned hawk, red-tailed hawk, Swainson's hawk, rough-legged

Re: [cobirds] Rio Blanco Take 2

Intended for this go out to everyone and just sent it to Doug Ward. DL From: DAVID A LEATHERMAN Sent: Thursday, June 30, 2022 9:12 AM To: Doug Ward Subject: Re: [cobirds] Rio Blanco Take 2 Doug et al, We have at least 27 species of cicadas in Colorado, several

[cobirds] Rose-breasted Grosbeak pair, Loveland (Larimer) on 6June2022, etc.

On my way back from Lake Estes to see and try to confirm the diet of the beautiful Canada Warbler found days ago by David Wade, I stopped in Loveland to further observe the bird response to the cankerworm infestation discovered by Derek Hill. The feeding phase of the fall cankerworm (Alsophila

[cobirds] Correction

I don't know who John Bruening is, but Josh Bruening is the man deserving of thanks. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to cobirds@googlegroups.com For more

[cobirds] Spelling

Of course, the bird is a GARGANEY, not a GARAGNEY per the subject line in my response to Eric. Great little teal. Kudos to Brian. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send

Re: [cobirds] GARAGNEY Larimer County

Eric et al, My journal entry for 26 April 1996 says: "Garganey (1 pair) LIFE LIST (COLORADO LIFE LIST) First seen early in week at Jim Hamm park in Longmont (not by me), soon showed up in Boulder (Sombrero Marsh). Mostly in cattails." I did not own a suitable camera at the time and did not

[cobirds] Kentucky Warbler in Larimer is so far a "no show" this AM

Andrew has not seen the bird yet this morning and will update if and when it does appear. He tells me he tried to join COBIRDS but has not seen his post to this effect show up. So, communication may have to be via this clunky relay thru me. Dave Leatherman Fort Collins -- -- You received

[cobirds] Windsor Lake (Weld) on 5/2/22

I birded Windsor Lake for 3 hours plus today, mostly hiding behind a pole near the swim beach to escape the wind watching and photographing gulls and terns and eventually did a lap. Once comfortably numb it wasn't too bad. Amazing disappearance of the big merganser flock. Still 150 or so

[cobirds] Denver area rarities

My friend Boris and I went to Denver on various missions today. One, we wanted to visit the site of a true leafy mistletoe infection near the DU campus. This was brought to my attention by birder Jared Del Rosso, who alerted noted a mistletoe clump growing on a crabapple in the median on Evan

[cobirds] a situation (Boulder)

What do you get when you mix the following ingredients: a nice peaceful and beautiful area near bigger, fast-growing human population centers; an owl that attracts another owl and they appear in the same area on a repeat basis; humans under the influence of a multi-year covid pandemic and

[cobirds] A situation (Boulder)

It has come to my attention that photographers, some of whom may be birders, are causing a problem west of Lyons in their lust for a pygmy-owl. At the risk of pissing some of you off, and causing even more people to seek this bird by publicizing it, I ask for restraint. The person who called

[cobirds] golden-crowned kinglet

I appreciate Brandon's summary of the CBCs and found his noting the scarcity of golden-crowned kinglets worthy of further comment. I am not sure how many are found on Colorado CBCs in a normal year. My sense is that most of the counts are low elevation and that a golden-crowned kinglet in

[cobirds] rosy-finches in JACKSON on 2/28

Moose Visitor Center is in Jackson County, not Larimer as shown in my previous post. Sorry. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to cobirds@googlegroups.com For

[cobirds] rosy-finches (Larimer) on 2/28

FYI, my friend Boris and I visited the Moose Visitor Center on Cameron Pass this morning and had two groups of rosy-finches come swirling in. I would say total individuals was about 110 birds, with 4 brown-capped and the rest gray-crowned (mostly normal types and a smattering of Hepburn's).

Re: [cobirds] Re: Snowy Owl/Weld

For what it's worth, a friend of mine and I looked for it late afternoon on 2/21. Very windy and cold. Did not see it. Looked all along both sides of 104 between 73 and 69. Because of the conditions, we suspected if still present, the bird was in a low spot, not sitting up on fence or hill.

[cobirds] Pyrrhuloxia diet

At least four people have sent me pics or descriptions of house finches at or near the pyrrhuloxia yard eating tree parts and have said the pyrrhuloxia was associating with the finches for a lengthy period of time, maybe doing the same thing. The "tree parts" are buds. Trees have two primary

[cobirds] Pyrrhuloxia diet

Carol, Linda and anyone else interested, I have cut and pasted below the section on pyrrhuloxia diet from the "Birds of the World" account by Robert Tweit and Christopher Thompson. Photos I have seen of the current Colorado bird show it at a black oil sunflower feeder. The fruits of hackberry

[cobirds] location info

I should have mentioned Grandview Cemetery is in Fort Collins at the west terminus of Mountain Avenue and put the county, Larimer, in my subject line. Sorry. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group.

Re: [cobirds] late-nesting goldfinches - Boulder Co

I, too, saw a female type Lesser Goldfinch feeding two fledglings regurgitated Maximillian sunflower seed mash on 11October21 at City Park in Fort Collins. It seemed a bit late but as Peter points out, goldfinches are, indeed, the latest songbird nesters of our species that are restricted to

[cobirds] Report from a Colorado birding "annex"

For what it's worth in the way of informing Colorado birders, the first four individual birds I laid eyes on yesterday at the Wyoming Hereford Ranch on the eastern edge of Cheyenne were: Golden-crowned Kinglet (f) Fox Sparrow (slate-colored) White-throated Sparrow (2 adult tan-striped) All

[cobirds] Surf Scoter at Crom Lake (Weld) on 10/18/21

The young surf scoter first reported over the weekend by Gary Lefko continued today at Crom Lake on Weld CR31 just south of CR90 (west of Pierce). Also present was a "getting-late" Common Yellowthroat. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed

[cobirds] eastward range extension of foothill/mt species

Over the past 45 years or so of visiting Fort Collins' Grandview Cemetery and also spending a lot of time on the eastern plains at places like the Pawnee Grasslands and Lamar, the occasional and seemingly increasing presence of foothills/lower mountain species at low elevation has intrigued me.

[cobirds] odd incident

On July 13 a friend of mine and I hiked up Young's Gulch in Poudre Canyon. Our target was observing and photographing Lewis's Woodpeckers feeding cicadas to nestlings at one of two nest trees reported by John Shenot, Doug Swartz, Josh Bruening and maybe others around the 4th of July. We did

Re: [cobirds] Bug question

Ira, as it turns out, it appears the identification of your ctenuchid moth suggested by Brian via iNaturalists (Harrisina americana) and Dave Cameron ("grapeleaf skeletonizer", its common name) is apparently right. Pam Piombino of Boulder gently suggested to me Ctenucha virginica, which looks

Fw: [cobirds] Bug question

Sent this to Bryan Guarente. Meant for Ira and everybody else, too. Dave From: DAVID A LEATHERMAN Sent: Sunday, June 27, 2021 7:25 AM To: Bryan Guarente Subject: Re: [cobirds] Bug question Ira, I think your moth is the Virginia Ctenucha (Ctenucha virginica

[cobirds] Grandview Cemetery, Fort Collins (Larimer) on 5/12/21

Highlights of todays visit were: Lazuli Buntings in a yard e of the cemetery, FOY for this area Chipping Sparrows, FOY for this area Swainson's Thrush (3) BLACKPOLL WARBLER (1m) in a yard e of the cemetery, only seen briefly, eating elm leafminer adults BOBOLINK (heard 6-7 times) moving

[cobirds] Rigden Res, Fort Collins (Larimer) on 5/3/2021

Highlights today (late afternoon) in the rain: *Red-necked Phalarope (1f breeding, maybe 2) south shore, FOY for me, seems 7-10 days early for northern Front Range Wilson's Phalarope (3) Peregrine Falcon (flyover) Savannah Sparrow (10+ along the south and west sides in the weeds) Vesper Sparrow

Re: [cobirds] Re: Changing Common Names of birds; example, Steller’s Jay

Brian et al, Don't forget about Pioneer Naturalists by the great entomologist Dr. Howard Ensign Evans. He gained fame at Harvard working along side the likes of E. O. Wilson before deciding mid-career to make a change and come West to CSU to study ground-nesting wasps and toil in a region of

[cobirds] Courtesy to a landowner

All Birders, The other day I was picking around in the grass at roadside trying to figure out what 3 Long-billed Curlews might be eating when a pickup came down a long drive across the way and stopped next to me. The man, Scott, was highly agitated at me and all birders. He initially blamed

Re: [cobirds] Passerine migration ?

You know what I'm going to say. I suspect much of this is about food. Animals depend on plants. Plants suffered late freezes in spring 2020 (no fruit or seed set for most woody plants), an early hard freeze last September immediately on the heels of days with high temps near 100, and then

Re: [cobirds] FOS tree swallow Arapahoe county

Glad to see the AOS finally came to its senses and split Pushed His and Pushed It's. They are hard to separate but once you study their behavior a while, and hear their vocalizations, clearly two species. You are lucky to have both in your yard. Dave Leatherman Fort Collins

[cobirds] Windsor and Crom Lakes (Weld) on 3/18/21

Highlights from Windsor Lake this morning were: California Gull (1a) FOY for me. Lesser Black-backed Gull (1a) Herring Gull (20+) Double-crested Cormorant (3) FOY for me. White Pelican (1) Mountain Chickadee (2) Hooded Merganser (1m) Brown Creeper (1) Total of 31 species Surprisingly, almost no

[cobirds] Correction

The date of my recent Merlin sighting at Fort Collins City Park should have been 3/16/21. Dave Leatherman Fort Collins -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to cobirds@googlegroups.com For more

[cobirds] Zoom Presentation

FYI, I am giving a Zoom presentation this coming Thursday (day after tomorrow, March 11) at 7pm to Fort Collins Audubon Society on how visiting Grandview Cemetery and surrounding City Park and the neighborhood during 2020 kept me sane. Some of you saw the first program I put together on

[cobirds] Status of Overlook at Rawhide Energy Station n of Ft Collins

FYI, after driving up the Hamilton Reservoir a couple times in recent weeks and finding the Overlook closed, I decided to call ahead today. I was told the resident bison herd knocked the fence down bordering the Overlook and that these animals currently have access to it. Thus, the closure.

Re: [cobirds] Re: Identification for these adorable birds

Caleb et al, I agree with your general statement about the seasonal occurrence of shrikes in CO, but only for the northern plains. I have spent four weeks in southeastern CO (Prowers, Bent, Baca, Las Animas) since early December and my tally is as follows: loggerhead shrike 6, northern shrike

[cobirds] Swans at Douglas Res on 12/29 (Larimer)

5 swans are at the north end of Douglas Reservoir, which was about half open today (12/29). I am fairly certain they are Tundra Swans but will admit to chickening out on a walk from the west side parking lot that would have put me a little closer. My time was short and the wind was sharp.

Fw: [cobirds] Re: Odd duck at Fort Collins City Park (Sheldon Lake) - Larimer on 5Dec2020

I received several responses to my post about the odd Mallard with a mix of female and male characteristics. All but one suggest this emergence of male field marks can happen to very old females. Eric DeFonso astutely sent the message below which contains a link to an article that might be a

Re: [cobirds] Re: Northern Parula in December

I almost responded to this issue yesterday when Gregg brought it up, and I will now. Sub-freezing temperatures are rarely an issue for birds unless they are extreme, take away the availability of free water or coincide with conditions that got a bird's feathers wet. When feathers are dry the

[cobirds] Variedous (Weld)

I was informed by Mr. Kaempfer the finder of the Varied Thrush in Nunn was John Vanderpoel. Thank you, John. I should also mention that after a 29-day stay, the beginning of ice formation has caused the White-winged Scoter near the Environmental Learning Center in Fort Collins to leave. It

[cobirds] Windsor Lake (Weld)

One highlight I forgot to mention at Windsor Lake this afternoon was approximately 30 Snow Geese in with all the Cacklers. Of course, the correct first name of the Tundra Swan finder at Timnath Res is Cole (misspelled in my other posting). Thank you to Cole and Josh for their finds. Dave

[cobirds] Windsor Lake (Weld) on 30Oct2020

After seeing the two Tundra Swans (southeast bay) and Brant (west side along the dam) at Timnath Res (Larimer) found by Cold Wild and Josh Bruening, respectively, I went to Windsor Lake in the town of Windsor (Weld). Highlights were: Red-necked Grebe (1) mostly in the northern part of the res

Re: [cobirds] hummingbird

Doug, Brenda, et al, With almost all wintering birds, if they have a problem, the problem isn't the temperature, it's food and open water availability. I agree with everything you said, Doug. Any flying insects in the middle of winter when temps are below freezing are almost assuredly

[cobirds] mountain birds down low or out east

Everyone, I need to reiterate some things said the other day that seem to have been somewhat misinterpreted. First off, we see mountain species come down low and perhaps wander onto the eastern plains pretty much every year at this season. Corvids, chickadees, nuthatches, kinglets,

[cobirds] Influence of the CO/WY fires on birds

A lot of people have been asking about what the recent fires causing much of the smoke along the Front Range and out on the eastern plains are having on birds. While it is normal for many mountain species to be undergoing dispersal and altitudinal migrations at this time of year, I think it is

[cobirds] Russian olive removal

The Russian-olive removal at Crow Valley Campground was done at the behest of the US Forest Service who is in charge of the area. These days the USFS does almost all on-the-ground work, except firefighting, through contractors. I believe the removal of the olives at Crow Valley Campground was

[cobirds] Common Black-Hawk eating crayfish photo request

An awesome , quick response from Kevin Ash (finder of the Common Black-Hawk) and Cinnamon Bergeron has resulted in photos from Cinnamon showing the bird with a crayfish on the dam, and reference to photos in the eBird checklists of Alan Ketcham and Diane Roberts showing the hawk with crayfish.

Re: [cobirds] Common Black Hawk, Teller Co.

Regarding the Common Black-Hawk first reported by Kevin Ash (thank you), and Cinnamon's follow-up report in particular, it is notable that this bird was mentioned as eating a crayfish. This species of raptor is a crayfish specialist. Some day I'd like to visit former Colorado birder Bill

[cobirds] black witch food plants and a comment about the cemetery tanager

I said in my earlier post about the black witch moth that larval (caterpillar) host plants do not occur in Colorado. That is not exactly correct. I remembered a few years ago Duane Nelson informed me a private ranch he has access to in Baca County has a few mesquite trees. Yet another

Re: [cobirds] Ascalapha odorata (Black Witch Moth)

Just a few comments. Black Witch moths are not all that rare in Colorado but certainly noteworthy when one sees one. As a practicing entomologist/birder who spends a ton of time on the eastern plains, I have only found maybe 5 over the last 46 years. I found one once in a Marietta, Ohio

[cobirds] Early days of RBA

We shouldn't forget Duane Nelson as one of the early voices of the RBA. Dave Leatherman Fort Collins -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to

[cobirds] Bob Spencer

Like everyone who knew Bob Spencer, I was sad to hear of his passing. Anyone who has done or witnessed up close lengthy care-giving by one human for another should have deep admiration for the role of Robert, Jr. over the last many years. The collective laughter and groans Bob was responsible

[cobirds] COLORADO RARE BIRD ALERT, MONDAY MAY 11, 2020

Date: Monday, May 11, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] COLORADO RARE BIRD ALERT, SUNDAY MAY 9, 2020

Date: Sunday, May 10, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] COLORADO RARE BIRD ALERT, SATURDAY MAY 9, 2020

Date: Saturday, May 9, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] COLORADO BIRD REPORT, FRIDAY MAY 8, 2020

Date: Friday, May 8, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at Home”

[cobirds] COLORADO RARE BIRD ALERT, THURSDAY MAY 7

Date: Thursday, May 7, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] COLORADO RARE BIRD ALERT FOR WEDNESDAY, MAY 6, 2020

Date: Wednesday, May 6, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] COLORADO RARE BIRD REPORT FOR TUESDAY, MAY 5, 2020

Date: Tuesday, May 5, 2020 Email: RBA AT cobirds.org Compiler: Dave Leatherman, daleatherman@msn. com _ The Colorado Rare Bird Report is an informational service. Because of statewide coronavirus “Stay at Home” and “Safer at

[cobirds] Sheldon Lake in Fort Collins City Park on 4/30/2020

Highlights this morning: Chimney Swift (FOY for me, a few over the lake, seems a bit early) Say's Phoebe (1 west of the lake near the fire station) Wood Duck (female-male pair in the nw corner of the lake) Violet-green Swallows (high overhead) Osprey (1 getting big fish, hauling it off to the

[cobirds] Sheldon Lake, Fort Collins City Park (Mountain Ave between Shields and Taft), 4/18/2020 (Larimer)

Highlights today: White-faced Ibis (2 resting on the quasi-island along the east shore) Mountain Bluebird (as many as 10 catching midges along the shore, especially on the boardwalk that skirts the south side of the pool) Yellow-rumped Warbler (at least 3-4) catching midges Pied-billed Grebe (1,

[cobirds] Grandview Cemetery, Fort Collins (Larimer) on 4/13/2020

Today I located the Red Crossbill adult female and she had TWO fledglings in tow. They flew out of the cemetery across Taft Hill Road to the west. I suspect that is the last I will see of this family but it was fun while it lasted. Turkey Vulture sitting glumly in an American Elm during a

[cobirds] Spelling correction

I misspelled the last name of Dr. Craig Benkman today in the post about crossbills. My apologies. Dave Leatherman Fort Collins -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from

Fw: [cobirds] Great Horned Owl nest Grandview

Meant to send this out to the whole list-serv. DAL From: DAVID A LEATHERMAN Sent: Friday, April 3, 2020 8:35 AM To: nat.an...@gmail.com Subject: Re: [cobirds] Great Horned Owl nest Grandview Natalie et al, Yes, this year's nest attempt by Great Horned Owls

[cobirds] Wild Turkey thread, plus Grandview Cemetery, Fort Collins (Larimer) on 3/27/2020

Furthering the thread of Wild Turkeys close to town today by Elena and Todd, I had species #203 for Grandview Cemetery today - Wild Turkey. It wasn't actually IN the cemetery but I could see the entrance from where the single Wild Turkey crossed Mountain Avenue west of Roosevelt. I got one

[cobirds] Talk tomorrow night in Fort Collins

COBIRDERS, To those who might be interested, my friend Janeal Thompson and I are giving a talk to the Fort Collins Audubon Society (FCAS) tomorrow night at the Fort Collins Senior Center at 7pm. The topic is spiders. Janeal, an avid birder in Lamar whom many of you know, has been smitten by

[cobirds] COLORADO RARE BIRD ALERT for Monday, March 2, 2020

Date: Monday, March 2, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as listed by

[cobirds] COLORADO RARE BIRD ALERT for March 1, 2020

Date: Sunday, March 1, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as listed by

[cobirds] COLORADO RARE BIRD ALERT for Saturday, February 29, 2020

Date: Saturday, February 29, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as

[cobirds] COLORADO RARE BIRD ALERT for Friday, February 28, 2020

Date: Friday, February 28, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as listed

[cobirds] COLORADO RARE BIRD ALERT for February 27, 2020

Date: Thursday, February 27, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare species, as

[cobirds] COLORADO RARE BIRD ALERT, February 26, 2020 (REVISED)

Date: Wednesday, February 26, 2020 (UPDATED) Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ Birders have been helpful by reporting updates to COBIRDS. Thanks! CAPITAL LETTERS denote very rare

[cobirds] COLORADO RARE BIRD ALERT, February 26, 2020

Date: Wednesday, February 26, 2020 Email: RBA AT Cobirds.org Compiler: Dave Leatherman, daleather...@msn.com Phone: (970) 690-2257 (cell) __ First off, my apologies for not getting an update out yesterday. Had this ready to go the night before and just

[cobirds] gyr vs. prairie falcons

All, It has been astutely pointed out (by responders to yesterday's COBIRDS post re the surprising difficulty one can have distinguishing gyrfalcon from prairie falcon in certain circumstances on Trilby Road west of Taft near the Larimer Landfill) that gender is also a factor. This is similar

[cobirds] Gyrfalcon on Trilby Road s of Larimer Landfill on 2/18/2020 (Larimer)

Peter Burke and I saw the gyrfalcon this morning on the big poles w of Taft on Trilby about 10am. After maybe 20 minutes, the bird flew off in pursuit of something toward the sw corner of the landfill and appeared to land on the ground but we lost sight of it. About an hour later another big

[cobirds] LCC Woods on 11Jan (Prowers)

On 11Jan2020 Janeal Thompson and I tried to refind the Carolina Wren I found at the Lamar Community College Woods in Lamar on 10 Jan2020. We did not, but it is probably still present at LCC or in the housing development (Woodland Park) to the south. We did refind 3 Lesser Goldfinches. Also of

[cobirds] Southeastern CO birds of late

Highlights of my current visit to the Lamar area since arriving late on January 4th: Lamar Community College Woods (Prowers) Northern Cardinal (3, whole visit) White-breasted Nuthatch (Eastern, the 10th) Spotted Towhee (1, the 6th) Carolina Wren (1, the 10th) Memorial Drive s of Lamar hospital

[cobirds] Fwd: Rawhide Viewing Area Access

Birders FYI, here is the response I got from the environmental guy at Rawhide Power Plant/Hamilton Reservoir north of Fort Collins. Dave Leatherman Fort Collins Sent from my iPhone Begin forwarded message: From: "O'Brien, Mike" mailto:obri...@prpa.org>> Date: January 7, 2020 at 8:12:51 AM MST

[cobirds] TWO Yb Sapsucker males confirmed on 12/27/19, Grandview Cemetery, Ft Collins (Larimer)

As suspected, the fact of two Yellow-bellied Sapsuckers, both males, at Grandview Cemetery at the west terminus of Mountain Avenue in Fort Collins was confirmed this afternoon. Shortly after gyrfalcon/sapsucker seekers Donna and Peter left (sorry, guys), I found what I think is a young male in

[cobirds] Yb Sapsuckers (Prowers & Larimer)

On Dec 12 I had a young male Yellow-bellied Sapsucker at the north end of Willow Creek Park in Lamar (Prowers). The bird was in the southernmost pine of those in the northwestern part of the park just inside the park along Parkview Street. Fresh sap wells indicate it is probably spending time

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