Re: [cobirds] Digest for cobirds@googlegroups.com - 3 updates in 2 topics

Brandon That’s a remarkable total birds detected. Thanks for organizing our state’s Bird Count Cheers, Bob > On Mar 11, 2024, at 2:20 AM, cobirds@googlegroups.com wrote: > > cobirds@googlegroups.com > >

[cobirds] Cherry Creek Res.

Hi One Ad. Lesser-Black-backed Gull amongst a flock of gulls on the very north central side of the res. Bob Righter Denver CO -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to

[cobirds] Ludlow Griscom's (1947) essay about changing bird names.

Hi >From chatter on the internet emerges an interesting article by Ludlow Griscom >written in1947 “Common Sense in Common names.” Griscom, was a power house in >the early 1900s and greatly influenced Roger Tory Peterson. The full article >can be accessed through Google. I’ve taken the

[cobirds] Cherry Creek SP-Barrow's Goldem-eye

Hi No Loons, but there was a gorgeous ad male Barrow’s Golden-eye diving in the south-west corner, seen at about 1:pm. For those interested, the golden-eye was first discovered by Thomas Drummond in 1819 while exploring, on a solo expedition to the Canadian Rocky Mountains. The new species

[cobirds] Cherry Creek SP

Hi 6 Common Loons, most observed in the center and southern part of lake. 1 Red-breasted Merganser in non breading plumage in center of lake. 20+/- Bonaparte’s Gull ( named after Napoleon Bonaparte nephew, He was quite the ornithologist in his day, early 1800’s) Bob Righter Denver CO -- --

[cobirds] Benefits of Keeping the Original Bird Names.

Hi What a fascinating discussion we are all having on Cobirds about the implication of changing the names of birds. Birds named after historical individuals offer important links to the rich history, good and bad, about how our country was formed but also how the history of birds evolved

[cobirds] AOU, Changing bird names

Hi: I would hope the American Ornithological Union would pause before changing common names of birds that are named after historic ornithologists as that could be divisive . Currently we are living in a period of time where accusations of racism are rampant and consequently we are currently

[cobirds] What Chris Wood is up to

Hi Chris, who was nurtured in birding growing up in Colorado, is now Director of eBird at Cornell Lab of Ornithology. Recently Chris was giving remarks about citizen science to The Standing Committee on Science and research at the House of Commons in the Canadian Parliament. (Living Bird,

[cobirds] Nick Komar

During Nick Komar role as president of the CFO, the club has expanded its trajectory from just being a birding club towards something far more meaningful in importance. I can’t think of any other state birding organization that’s raised thousands of dollars for important bird conservation.

[cobirds] Does Quantum Mechanics Explain Bird Behavior

Quantum mechanics has been used to explain how everything exists and functions. A simplified explanation of Albert Einstein’s theory is that everything is deeply entangled with everything else, and everything is constantly in flux (Bard). From eons ago climate has been constantly changing. No

[cobirds] Cheery Crk Res--Highlites

Hi: Swan, south part of res. suggestive for a Tundra Swan Pacific Loons: two adults north-central part of the reservior. Possible adult Lesser Black-backed Gull. At a distanced next to the northern shore line, a very dark-backed gull with a noticeable yellow bill. Bob Righter Denver, CO --

[cobirds] Cherry Creek Res--highlights

Hi Surf Scoter—Floating in southern third of Res Long-billed Dowither—still present Neotropic Cormorant—still present. Described by Alexander von Humboldt, 1805, Orinoco R., Columbia Sandhill Cranes—in two large “V” about 60 individuals American Pipit——about 15 feeding on mud flats, south

[cobirds] Re Birds and Banding

Hi Wish I could make Charlie Chase's Bird and Banding workshops at Barr Lake. Charlie his one of those gifted teachers that can make complicated natural history topics not only easy to understand but also in a fun way. Bob Righter Denver CO -- -- You received this message because you are

[cobirds] Bird Migration Explorer

Hi: Apparently is a new tool for exploring where and when bird species migrate. This is what we have all been waiting for and has the potential for being a tremendous tool for evaluating bird migration on a whole bunch of different levels. I tried using it, but of course everything I clicked

[cobirds] Crow Valley CPGD, Weld Co, Highlites

Hi After the fog lifted the birds began to move. Red-headed Woodpecker, male, southwest side, working the fence line, looking for insects. Great-crested Flycatcher; northwest side, feasting on the fruit from a Russian Olive. Bob Righter Denver, CO -- -- You received this message because

[cobirds] Where do the birds go after breeding

Hi In Colorado, birds breeding in our forests, start to move south when the breeding season concludes. It has always been assumed that the young fledging hangs around the nest site and then slowly shuffle their way south. But recently it’s been discovered that the young actually leave the

[cobirds] Re: Colorado's Amish Bird watcher

Hi all I don’t know Susan, but the way John describes her, I know I’d also be a friend of hers. She sounds like a wonderful person and our birding community will miss her. Bob Righter Denver CO -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds"

[cobirds] Johanna Beam

Hi Thanks to Peter Gent for not only alerting us about the new meadowlark species, Chihuahuan Meadowlark, but also for letting us know about Johanna Beam, from Colorado, who wrote the convincing paper resulting in the Eastern Meadowlark’s subspecies, "Lilian’s” being elevated to a new

[cobirds] Eastern Screech-Owl

Hi While taking Lovey for her evening walk. at 08:20 pm heard an Eastern Screech-Owl calling for about 45 seconds, then the owl stopped. Waited for about 15 minutes, no more vocalization? 2300 block of South Milwaukee. Bob Righter Denver CO -- -- You received this message because you are

[cobirds] Climate Change

Hi If you are concerned about climate change, think about trees. Just one healthy tree can absorb from the air a whopping 50 pounds of noxious, climate-changing, carbon dioxide in just one year! One large tree can supply a healthy dose of oxygen to sustain four people for one day. The next

[cobirds] Re- Yellow Rail

Hi WOW. That’s really exciting news from Monte Vista NWR Bob Righter Denver CO -- -- 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 options, visit this group at

Re: [cobirds] Digest for cobirds@googlegroups.com - 5 updates in 3 topics

> On Jul 13, 2022, at 2:20 AM, cobirds@googlegroups.com wrote: > > cobirds@googlegroups.com > > Google Groups > > >

[cobirds] Trappers Lake-possible Barrow's Goldeneyes

Hi Just back from a 4 day trip to Trappers Lake, Garfield Co. On June 28, in the middle of the lake saw a train of small ducks, 4-5 ducks following a leader, as one would expect to see with a family of ducks traveling through the water. My 7X binocs just couldn’t confirm any field marks. The

[cobirds] 3 Olive-sided Flycatchers

Hi Just had three Olive-sided Flycatchers briefly land on a tree in our back yard in Denver before they journeyed on. Bob Righter Denver Colorado -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to

[cobirds] Brown Pelican, An explanation for an increase in sightings

Hi By the 1960’s, due to organochlorine pesticides, the once-abundant Brown Pelican disappeared from the northern Caribbean (Texas-Louisiana). Today, due to conservation initiatives, the Brown Pelican is now again abundant in the region, thus explaining the higher possibility of wanderers

[cobirds] Re Yellow-headed Blackbirds

Hi I remember years ago being in central Mexico, late winter-early spring, where enormous flocks of Yellow-headed Blackbirds wintered. The spectacle was made even more dramatic, because of the tendency of blackbirds to separate into same sex flocks. So image a huge flock, containing many

[cobirds] Re; Marta Hawkins photos

Hi: After looking at Marta Hawkins excellent photo of a Winter/Pacific Wren, I strolled through the rest of the photos and there is a drop-dead, fantastic photo of three male Wood Ducks standing on a log. See what you all think. Bob Righter Denver, CO -- -- You received this message

[cobirds] Conifer, Fire & Birds

Hi Over the millennia in our temperate western forests, conifers and fire have a long, symbiotic relationship. When unimpeded by fire, the forest grows proportionally beyond its sustainability for maintaining balanced, healthy habitat. Aggressive conifers will start invading undesirable

[cobirds] Pueblo Res.

Hi I’m always impressed by the volume and diversity of birds from Pueblo Res Xmas count, Hats off to Brando and his team. Bob Righter Denver CO -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to

[cobirds] Cherry Creek Res--Common Terns

Hi All At Pelican Point 3 worn juvenile Common Terns 5 Yellowlegs, Greater and Lesser 3-4 American Pipits on south shore, viewable from Pelican Point. Bob Righter Denver Colorado -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post

[cobirds] Wilson Warblers-Crow Valley-CG

Hi all While birding for two hours this morning, I detected 30 migrating Wilson’s Warblers. The vast majority were seen in thickets, not so much in the trees. So did I see all the Wilson’s Warblers in the campground? Most likely not. Given the inventory of thickets in the region, could I

[cobirds] Looking for some Empid fun?

Hi Crow Valley Camp Ground, Weld Co. There seemed to be good migratory pulse of flycatchers landing in the campground. Most of the action was in the southwest and northwest sections Perhaps about 30 Wood-Pewee, presumedly all Westerns, actively salling from tree limbs. Also there were about

[cobirds] Calliope Hummingbird--Denver

Hi We just had a female Calliope Hummingbird come to our flowering pots on our back porch. Quite aggressive. Came right up to my nose and began buzzing around the face looking me in the eyes. Luckily, I survived. Bob Righter Denver, CO -- -- You received this message because you are

[cobirds] Re: Eastward Range extension.....

Hi: David Leatherman in his recent post pointed out detecting movement of traditional mountain and foothill species downslope to the plains. This phenomena has previously been posted on Cobirds this summer with observers commenting on how the mountain species are just not present in the

[cobirds] Common vs Pacific Loon

Hi An average Common Loon is about twice the body size of a Pacific Loon. Usually in our reservoirs, at this time of year, there are many Western Grebes and just based on body size alone they are about equal to a Pacific Loon. With just the right juxtaposition of a Common or Pacific Loon

[cobirds] Box Canyon Falls, Ouray, CO

Hi all Sandy and I just visited the amazing Box Canyon Falls, home for many years to the Black Swift. Reportedly nine swifts have returned this years although we didn’t see any. While at the Falls I kept thinking of Rich Levad and all the outstanding work he accomplished locating Back Swift's

[cobirds] Congrats to the CFO board. Motus receiving stations are fantastic.

Hi Congratulations to the CFO board members for organizing the Colorado Birding Challenge. Raising more than $35,000 to contribute to the Bird Conservancy so they can build, install, and operate Motus receiving stations. There are about 1000 Motus stations from the Arctic to southern South

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

Peter the Great,Tsar of all of Russia, invited Georg W. Steller, a German scientist to come to Russia and help explore and catalogue it’s natural history. In 1741 Steller joined the Vitus Bering Expedition in sailing east to discover what was out there. After several weeks they bumped into

[cobirds] News from Cherry Creek SP

Hi all Sitting on the Bob Rozinski memorial bench while over looking the pond on cottonwood creek, I was able to fill Bob in on what was going on. During our spiritual conversation 25 species of birds made an appearance including all three of the regular occurring teal and even a

[cobirds] DFO's Zoom with Sheri Williamson

Hi all Two nights ago the DFO’s zoom meeting featured a talk about hummingbirds by Sheri Williamson—she was fantastic, extremely knowledgeable and entertaining. Here are a few interesting tidbits I jotted down from her talk: Hummingbirds are the smallest, warm-bodied creatures on earth !

[cobirds] Spring Migration is Underway

Spring Migration is Underway Right this moment spring migration for North American land birds is well underway starting from South and Central America. Some of these migrants will just gradually move north, then use the Panamanian Isthmus follow the topographic features of Central America

Re: [cobirds] Digest for cobirds@googlegroups.com - 13 updates in 8 topics

Hi Ira Thats a nice remembrance about Joe. Cheers, Bob > On Dec 3, 2020, at 1:20 AM, cobirds@googlegroups.com wrote: > > cobirds@googlegroups.com > > Google Groups >

[cobirds] Joe

Hi: I’m very sad about hearing of Joe’s passing. We’ve been friends for decades. Joe was a unifier, always bring people together for the benefit of the whole Joe will be greatly missed. Warmly, Bob Righter Denver CO -- You received this message because you are subscribed to the Google

[cobirds] An explanation how European Golden-Plover made it to Maxwell NWR, NM

As reported by television station KRQE, Albuquerque, New Mexico, on October 1st, 2020, a European Golden-Plover was discovered at Maxwell National Wildlife Refuge, twenty five miles south of the Colorado border. The core of the European Golden-Plover breeding range extends from Iceland

[cobirds] Roger Linfield

Hi I only met Roger a few times but I’m impressed on how much he meant to other people, he had to be a remarkable person. As was suggested a donation was made to the Community Foundation of Boulder in honor of Roger. Bob Righter Denver CO -- You received this message because you are

[cobirds] CCSP--Scoter and Loons

Hi all 1 White-winged Scoter/ (f-imm)—in southern half of res. 2 Pacific Loons—I in northern half and 1 in central 1 Common Loon in northern half Good assortment of winter ducks, 4 grebe species, lots of Bonaparte Gulls. Bob Righter Denver CO -- You received this message because you are

[cobirds] CCSP, shorebirds, Rusty Blackbird

Hi 2 female Red-breasted Mergansers 10-15 Hooded Merganser 10 ad Bonaparte’s Gull 1 Common Loon >From sw corner 2 jv Black-bellied Plovers 2-3 Pectorial Sandpipers 3 jv. Long-billed Dowitchers 1 Baird’s Sandpiper 2 Wilson’s Snipe 1 RUSTY BLACKBIRD Bob Righter Denver CO Sent from my iPhone --

[cobirds] Sabine's Gull, Juvenile CCSP

Hi The gull was swimming in the middle part of the southern half of the reservoir, never flew. First seen about 10:30 this morning. Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and

[cobirds] Curious about the European Golden-Plover

Hi In North America most spring records of the European Golden-Plover, have occurred annually in Newfoundland with a high count of 350 individuals in 1988. It is suggested the European G-P were mis-oriented or blown westward from their intended summer destination of Iceland. In fall there is

[cobirds] Have call of European Golden-Plover

Hi Two summers ago, while in Iceland, I recorded the call of the European Golden-Plover-not great but also not that bad of a recording. Let me know if anyone is interested and I’ll try to figure a way of sending it to you. Or maybe if someone has the ability to post the sound could be even a

[cobirds] Sabine Gull CCSP

Hi Minutes ago viewed a juvenile Sabine Gull from Lake Loop. Another juvenile Sabine Gull viewed to the east, looking at swim beach. Could be same gull but watch for two Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups

[cobirds] Yellow-throated Vireo, Denver

Hi I just got a report, including a photo, of a dead Yellow-throated Vireo, from a friend living in Denver Bob Righter Denver, CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails

[cobirds] Ruff/Buff-bellied

Hi Based on the following subjective field marks I would also vote for Ruff Dark feathers around the head Thicker base to bill Josh’s photo suggests that hump-backed look featured for Ruff Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups

[cobirds] Caspian Tern--Barr Lake

Hi In the southwest section of Barr Lake; One adult being harassed by a squawking juvenile Lots of the usual shorebirds present. A large flock, 30-40 Stilt Sandpipers was a treat Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado

[cobirds] Re- Cliff and Cave Swallow

What a wonderful, illuminating discussion we are having on Cobirds David Tonnessen alludes in his recent posts in the difficulty in separating juvenile Cliff swallows from juvenile and perhaps adult Cave Swallow. Tony’s post, in part, concurs with that premise but suggest that phase of

[cobirds] Shorebirds at Barr Lake

Hi At 06:15 am I arrived at Barr Lake just as the Great Eastern Sun began to rise. With the sun behind me I began to look for shorebirds along the southeastern shore. Most of the shorebirds were in there juvenile, neat and tidy appearing plumage. Avocet 8-10 Killdeer 60 + Marbled Godwit 10-13

[cobirds] Re-Bird sound quizz

Hi I’m now 0 for 5 with these bird sound quizzes, When is the next one? Bob Righter Denver CO -- 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] Re Mike Britten's bird song quiz

Hi all After going 0 for 4 on these bird song quizzes and risking being sent off to the minors for some extensive audio re-tooling, I’ll take another swing. Since the Cassin’s Finch has a numerous call types, I think in the past I've recorded a call similar to Mike's quiz bird !! Bob Righter

[cobirds] Snowy Range, Wyoming

If you are thinking about birding RMNP this summer but are not sure of your reservation status for entering the Park or just not wanting to battle the crowds, think about visiting the Snowy Range in south central Wyoming. The Range is about forty miles north of RMNP or about a three hour drive

[cobirds] Lewis's Woodpecker

Hi On June 30, Courtney Schultz alerted all us on Cobirds that there were Lewis’s Woodpeckers at Hewlett Gulch, along the Poudre River in Larimer Co. Today I spent a few early morning hours audio recording those woodpeckers. If anyone is interested in either photographing. recording or just

[cobirds] Birding in Jackson County

Are you wondering where your next birding adventures will be? How about Jackson County? It is one the few counties in Colorado where Covid19 has not paid a visit.The county has an assortment of critters, 1400 folks, 600 moose, pronghorns, 2500 cattle and over the years 272 bird species have

[cobirds] The Rare Bird Alert

Hi I like the RBA on Cobirds. With one quick click and I immediately get a quick snapshot of what its going on in our state. The RBA is much more than just rare birds. It also includes out of season and out of range reports, unusually high counts. For example today there were six Black Swifts

[cobirds] Common Nighthawk--Denver

Hi Probably not that unusual of a sighting, but what could be unusual was that it was resting on a small bare branch, forty to fifty feet up in a dense spruce tree in our backyard. Makes one wonder how often does this happen and if so could there be more Common Nighthawks migrating through

[cobirds] Cherry Creek SP--Ash throated Flycatcher

Hi The Ash-throated Flycatcher was seen two hours ago. From the Prairie Loop parking area, after crossing the bridge over Cotton Wood Creek, several hundred yards along the path the bird was seen and heard in the tall trees left of the path Also from Prairie Loop a Plumbeous Vireo was seen

[cobirds] Cherry Creek SP--Blackpoll Warbler

Hi Seen about two hours ago, along the east side the South Connector trail, about 50 yards in from the trail entrance from the main driving road Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from

[cobirds] Re a 20 warbler day in Colorado

Hi Just to underline how impressive Brandon’s report is in seeing 20 warbler species in one day in southeast Colorado. This would be a remarkable feat anywhere in North American, perhaps aside from Louisiana, Texas and a few other states. Congratulations to everyone involved Green with

[cobirds] Red-breasted Nuthatch possible nesting Pawnee NG

While at the Pawnee National Grasslands, Weld Co., saw a Red-breasted Nuthatch entering a possible nesting cavity at Norma’s Grove, (40-42-39N: 104-31-3W). At Norma’s Grove detected 24 species of birds, which was many more birds than was seen on the three hour Auto Tour loop! Bob Righter

[cobirds] Cherry Creek SP, Marsh Wren

Hi Marsh Wren singing in the cattails at the pond adjacent to the road on the westside Bob Righter Denver CO -- 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

[cobirds] Palm Warbler Cherry Creek SP

Hi The warbler was first seen this morning at about 08:30 on the west side in the marsh area just south of Lake Loop. First seen by Mitchelle Bailey, then Joey Negreann obtained a photo, and later I got a quick glimpse. Bob Righter Denver, CO -- You received this message because you are

[cobirds] Eastern Screech-Owl

Hi My wife Sandy in walking our spaniel around the neighborhood heard two separate E. Screech-Owls vocalizing during the day. They seem to be active now, at least in the greater DU area in Denver. Bob Righter Denver CO -- You received this message because you are subscribed to the Google

[cobirds] Suspending the rare bird alert ?

Hi Spring migration is one of the most exciting times of the year for birding in Colorado. One way we are made aware of the progress of migrations is by noting the wide variety of species as well as the volume of migrating birds through our state via Cobirds. A rare species is a rather

[cobirds] Favorite Songs of Spring

Hi After a long winter hearing the first Western Meadowlarks bugling in spring gives me reassurance that winter is on the way out. Hearing the gurglings from the first Lark Buntings in May lets me know Summer is fast approaching, Hearing trumpeting from the first Sandhilll Cranes migrating

[cobirds] Introducing Cole Sage

HI Cole Sage is a newer birder to our community. Cole is 16, very thoughtful, enthusiastic, and best of all is hooked on birding. Cole already has an interesting birding blog about some of the birds seen on his trips: http://birdsonthewing.com/ . Bob Righter

[cobirds] Variation

Hi: I’m not necessary a “Guller” but I am a believer in variation. There is probably more variation within a species than we like to believe. Darwin was constantly confused by variation and I think that theme is still with us today particularly obvious within the Large-white-Headed Gull

[cobirds] Van Truan 405 Pueblo County list

Hi: That's an amazing, county record for Colorado, an inland state, rivaling some of those west coast county records. Cheers, Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop

Re: [cobirds] Overeager, Arapahoe County

Hi I just penned a short article for the Lark Bunting, should be in the February issue, about a whooper of a mis-id I made many years ago. It’s taken me over 40 years to finally come to grips with that excruciatingly embarrassing call. Stay tuned, more to come Cheers, Bob > On Jan 16, 2020,

[cobirds] Common vs Yellow-billed Loon

Hi: Two days ago I was birding Cherry Creek Reservoir looking for the Yellow-billed Loon that was previously reported. About half way across the southern portion of the reservoir a loon was spotted. Because of heat waves the only impression that registered with me was the head was light

[cobirds] Northern Shrike River Bend Ponds Ft Collins

Hi Seen in the northwest section of Big Pond at about 3:30 pm Bob Righter Denver CO -- 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] 6 Grebe Day ??

Hi Today at Cherry Creek SP the tally was 5 grebes species: Western, Clark’s. Horned, Eared, and Pied-billed, which made me wonder if anyone has ever had a 6 grebe day on one body of water in Colorado, which would be quite an accomplishment. To have a 6 grebe day has to include the

[cobirds] Jaeger sp. Warren Lake Fort Colins

Hi: An adult, light-morph Pomarine/Parasitic Jaeger seen about 10 minutes ago, bathing in the middle of the larger portion of Warren Lake. If it was a Pom it’s characteristic longs twisted tail feathers were either broken off or molted away. The dark helmeted head feathers appeared to come

[cobirds] News from Barr Lake Adams Co 10/2

Because one can walk out on the sand towards the water's edge, makes it very easy for close viewing of the birds. Just in the southeast section: 3 American Golden-Plovers, (at least one was a Jv.) 50+ Killdeer 2 Marbled Godwits 3 Jv. Sanderlings 20 Baird’s Sandpipers 3-4 Pectorial Sandpipers 1

[cobirds] Barr Lake, Adams Co

Highlight: American Golden-Plover, in immaculate juv. plumage, circulating between the southern and middle sections of the lake There was an impressive quantity of waterbirds on the lake today, the most numerous--listed by volume: American White Pelican 1000 Double-crested Cormorant less than

[cobirds] Another excellent Hummingbird Guide

Hi Kaufman Field Guide to Advanced Birding is an excellent guide. There is over 30 pages devoted to just the 8 most challenging hummingbird species. Also a few years ago John Vanderpole published an excellent video guide, along with John Dunn, on North American Hummingbirds Cheers, Bob

[cobirds] Timberline Sparrow ??

Hi Just reading Peterson Reference Guide to Sparrows of North America (2019) by Rick Wright, apparently on page 321, Timberline Sparrow (Spizella Taverneri), previously a subspecies of the Brewer’s Sparrow has been elevated to a species. A brief search of the internet didn’t produce any

[cobirds] Including age when reporting rare gulls

Hi: It could be helpful to birders when reporting rare birds to include the age of the bird, particularly with gulls, notable the large, white-headed gulls, also helpful when reporting terns, and very important when reporting Jaegers. These categories of birds arrive sporting a multiple array

[cobirds] Cobirds vs Facebook

Hi Leon Bright makes a good point. For almost 30 years Cobirds has been the established platform for communicating all kinds of interesting birding news about what is going on in the state By promoting the advantages, or perhaps its disadvantage of using Facebook as a platform (check out

[cobirds] Rusty Blackbirds Cherry Creek Res

Hi In the southwest corner, about 100 yards north of the observation area was a male and female Rusty Black Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop

[cobirds] Sexual Dimorphism for Northern Black Swift

Hi all An important paper was just published in the prestiges, ornithological journal, Western Birds—Sexually Dimorphic Plumages Characteristic in the Northern Black Swift written by Colorado authors, Carolyn Gunn, Kevin Aagaard, Kim M. Potter, and Jason P. Beason. The paper, all of it’s

[cobirds] Shorebirds Cherry Creek Res (Arapahoe Co)

Hi In the southwest corner, from the observation platform, were 4 Lesser Yellowlegs About 2 football field lengths away, still in the southwest corner, 6-8 Yellowlegs, presumably, also Lesser Yellowlegs 1 Dowitcher species 1 Stilt Sandpipers 1 White-faced Ibis flew over the marsh I

[cobirds] Cherry Creek Res--Black-bellied Plovers

Hi all: >From the observation area in the south west corner there were two juvenile >Black-bellied Plovers. One with white spotting on its black and the other with >gold spotting on its back. Other notes of interest: 3-4 Snowy Egrets 1 Great Egret 3-4 juvenile, Black-crowned Night-Herons

[cobirds] Great-horned Owls--started hooting (Denver Co)

Hi On recent, loosening up the back, evening walks around the greater DU area in Denver, I’ve detected Great-horned Owls hooting starting at 7PM and continuing. Actually I’ve heard them hooting, to a lesser degree, during the day. The extent of their hooting suggest they are already setting up

[cobirds] News from Crow Valley Campground

Hi The main campground area it was quiet. One contributing factor was at a camp site in middle of prime migrate habitat on the south west side was a large, Boxer/Mastiff with a ferocious sounding bark, convincing enough to have me scurrying back to the car, locking the car doors. In the

[cobirds] News from Crow Valley (Weld)

Hi No big wave of flashy migrants yet, although a camper-birder stated that a Palm Warbler was seen yesterday During a delightful morning on birding tallying 33 bird species representing 18 bird families— demonstrating an impressive convergence of evolution flying around the campground. Bob

[cobirds] Great-tailed Grackle Cherry Creek Res

Hi all At the westside of wetlands, was 1 male Great-tailed Grackle, Notables also at the wetlands: Scores of Wilson’s Snipe in the wet fields adjacent to the wetlands 2 Snowy Egrets 1 Black-crowned Night-Heron 6 male Yellow-headed Blackbirds Bob Righter Denver CO -- You received this message

[cobirds] Cheery Creek Res--White-faced Ibis

Hi all: This afternoon a flock of about 25 White-faced Ibis swooped into the west side of Wetlands Preserve near the Observation Kiosk. Bob Righter Denver, CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group

[cobirds] Little bit of history about the House Sparrow

Hi All In the last 25 years the House Sparrow has decreased 62% in the UK, In Canada they have decreased in the last 20 years, and in the Maritime Provinces in Canada declines have approached 90% The House Sparrow in a tenacious beast. The Sumerians in 3000 BC labeled the House Sparrow as an

[cobirds] Greater White-fronted Geese-Fort Collins Larimer Co

Hi At 06:30 I heard and saw 30 Greater White-fronted Geese, flying south (?), over Warren Lake in Fort Collins. Bob Righter Denver Co -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails

[cobirds] Car break-in Riverbend Ponds Larimer Co

Hi A SUV was broken into at the parking lot at River Bend Ponds Natural Area east of Fort Collins. The back, side window was busted in and according to the lady occupant they got her hand bag, containing wallet, ID money, driver license, phone, the works. She had no ID indicating who she was!

[cobirds] Possible Sagebrush Sparrow Cherry Creek SP

Hi: This afternoon, approximately 2 pm, while walking the path to Beaver Ponds, on the eastside of the wetlands, a sparrow popped out from the adjacent shubs, about 20 yards away and perched in the interior of the shrub. The throat of the sparrow was clean white. Side of the throat was thin

[cobirds] Re: Suggestion books on Migration

Another book about migration and birds is Migration Ecology of Birds by Ian Newton. Unfortunately the book is a bit thick, but very thorough on the reasons different birds migrate or partially migrate depending upon location or not migrate but then start to migrate, and lots on how they

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