[cobirds] Rufous-collared Sparrow, more thoughts

Hi all There is a 975 page book weighing at least 4 pounds, Migration Ecology of Birds, by Ian Newton that basically suggests that any bird for a whole host of reasons is capable of getting up going to odd places. Whether they are sedentary or migratory species, it doesn’t seem to make any

[cobirds] How about becoming a CFO member

Hi all For all of you out there thinking about joining the CFO but just haven’t gotten around to it. One of the many great reasons for joining is the CFO Journal. The recent issue is packed with all kinds of interesting articles covering an array of varied topics pertaining to Colorado

[cobirds] New Meadowlark species ?

Hi: It seems like we’re still agonizing if that odd looking goose is a Canada or Cackling and now in the recent Auk, Vol. 125, number 4, there is an article suggesting that, not based on looks, but on genetics that “Lilian’s” Meadowlark is significantly different from the Eastern and

[cobirds] Short history Poorwill Hibernation

Mark Peterson’s post on finding a Poorwill in February suggests the Poorwill had probably been in some state of hibernation. So here is a short history of Poorwill hibernation. The species was first noted on the Lewis and Clark Expedition on Oct. 16, 1804 near the junction of the Missouri

[cobirds] News from Bonnie Res

Hi: DFO trip, 106 species Good for Bonnie Res there was more water in the res. than in previous years which resulted in less shoreline and consequently the shorebird numbers were down, although there were quite a few other waterbirds including 3 Canvasbacks. All the Bonnie Res specialty

[cobirds] Blackburnian Apexs gultch

Hi: Today, May 27th at 7:45 am., Bob Andrews and I walked up Apex Gultch, Jefferson CO, and where the main trail intersects with the Pick sledge trail we saw a femaie Blackburnian Warbler. Also in the same area there was a Rose-breasted Grosbeak. Bob Righter Denver CO

[cobirds] Ruby-crn Kinglet in Denver

Hi: For the past several days I've heard several Ruby-crowned Kinglets around the Observatory Park region in Denver. While they were frequent in early June as migrants, the middle of June is getting on the late side for migrants and I was wondering if they could be breeding of thinking

[cobirds] Need help on Ptarmigan in RMNP

Hi: I'm leading a DFO trip to RMNP this weekend and was hoping someone has information on up-to-date where-abouts of the White-tailed Ptarmigan at the Medicine Bow Curve pull out. Also any other info concerning the birds in the Park would be most helpful. I would greatly appreciated any

[cobirds] Western Kingbird migration

HI: It has always been curious why the Western Kingbirds leaves Colorado so abruptly at the end of August, beginning of September, after which they are quite scarce. One obvious reason is that Colorado’s insect population rapidly diminishes. Recently its become known that the Western

[cobirds] Cheery Creek

Hi: I visited CC Res Sunday afternoon for an hour and there were lots of water birds, most what one would expect, the highlights included: Red-breasted Merganser, 4 females, West side Hooded Mergansr, mostly males West side Common Loon east side Herring Gulls west side Bonaparte Gulls east

[cobirds] Bonnie Res, Report

Hi all: Rain, wind and cold had no effect on DFO-ers Tim Schowater, Betsey Shaw, Francies Speal, and Jack and Joan Whiting as we all slogged our way around Bonnie Res, totally up 94 species, which included 9 warbler species with 4 Blackpolls and one Black-throated Green Warbler, a

[cobirds] Few Nifties @ CC Res

Hi all: One adult N. Shrike west side on drive to Marina On Ad and 2nd cycle-type Lesser Black-backed Gull viewed from Marina fishing pier. There were also intermitted flocks of waterfowl seen ...cleavering through the sky, splitting the forces of nature. (lifted from Thoreau). Bob Righter

[cobirds] Cooper's/Sharp-shinned downtown Denver

Hi: While downtown I noted either a first year, female Sharp-shinned or a male Cooper's Hawk. The small accipiter was working a parking lot and associated parking meters when it grab a House Sparrow, flew to a window sill and began eating it. Bob Righter Denver, CO -- You received this

[cobirds] Bird Song ID Gadget

Hi It seems I'm frequently being asked if I know of a gadget that could be pointed at a singing bird that would ID the songster. I recently called the Laboratory of Ornithology and was put through to the Wild Bird Store associated with the Lab and was told not yet, they are working on it.

[cobirds] Red-neck Grebe--CC Res

Hi all Randy Lenrtz and I saw a Red-necked Grebe at Cherry Creek Res from the east side, south of the swim beach, from the picnic tables all in a row, at 11:00 this morning. The grebe was swimming amongst Western Grebes,first noticed by dingy gray neck, whitish cheeks and long-ish bill (not as

[cobirds] CC Res

Hi 3 Common Loons in south end of CC Res Since all good things happen in threes, must mean the Broncos will take the Pats!!! 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

[cobirds] CC Res

Hi From sitting in warm car Ross's Goose n-east Hooded Merganser 10 e-central Common loons 2 e-central Wilson's Snipe 1 so-western Bonaparte's Gull 10-15 all Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups Colorado

[cobirds] Cheery Creek Res

Hi: Highlights from quick spin around Cherry Creek Res. at noon. Most birds seen in northeast section of the lake. Cackling Geese, quite a few Brass-eyed Whistlers, (Common Goldeneyes), in large numbers, all over Lesser Black-backed Gulls, 2 adult, Thayer’s Gull, 1 adult, excellent views of

[cobirds] L-t Duck, Cherry Creek

Hi Not sure if the Long-tailed Duck was recently report At Cherry Res., but nevertheless there are now two females types very near the shore on the the central western side. They were so close that I wish I had my point and shoot camera, because I would have had some good pics. Bob Righter

[cobirds] Chatfield Yell-bill Loon

Hi 11am seen by Steve Hodges and myself off handy capped pier, no more than a stone's throw away!!! Was swimming surprising fast easy towards spit Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups Colorado Birds group. To

[cobirds] Cherry Crk Res

Hi 1 female type White-winged Scoter NE section near out let. At first I thought I looking flippity jippet!!! 8 Bald Eagles, most NE section good chance for photos. Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups

[cobirds] Comments Winter/Pacific Wren

Hi: I was struck with Chris Knight’s post about recently viewing less-than- definitive fields marks on a Winter/Pacific Wren. Sibley presents this tricky identification dilemma by being equivocal. For example, he states for the Pacific Wren “ …from Winter Wren….averages slightly darker and

[cobirds] Re State Land Board

Hi: To follow up on Larry Modesitt request for input for potential areas of protection by the State Land Board. For years Sandy and I have been volunteer stewards for one of the Land Board’s holding, Sand Creek in Larimer Co. We have been most impressed with the organization. The expertise,

[cobirds] Hudsonian Godwit

Hi In Weld Co, just south of Lower Latham Res on E-W road CR 48, in flooded field south of road was one Hudsonian Godwit, at 10am Good luck Bob Righter Denver Sent from my iPhone -- You received this message because you are subscribed to the Google Groups Colorado Birds group. To

[cobirds] House Wrens increasing in Denver

Hi all The House Wren has always been an infrequent spring and fall migrant in our neighborhood in Denver. Last summer a few House Wrens were noted in our backyard. This summer the House Wren has blanketed not only our backyard but the whole neighborhood’s backyards, to where the wren the now

[cobirds] Cherry Creek Res Arapahoe Co

Hi Lots of grebes, mostly Eared and Western but also ample amount of Horned, some still sporting their rufous neck breeding plumage, Common Loon, first reported by Mary Cay Burger Lesser Scaup and an assortment of dabbling ducks One adult Herring Gull, only a few California Gulls and of

[cobirds] Cherry Creek Res (Arapahoe Co)

Hi: A pair of Black Scoters swimming amongst a lot of Western Grebes in the northern half of the Res. The female is distinctive One juvenile Pacific Loon also in the northern half. The Loon is about the same body size as the Western Grebes, but structured differently. At just the right

[cobirds] Cherry Creek Res 2 Common Loons

Hi There were two Common Loons motoring along the north side, at about 2pm. 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] Great Discussion

Hi Cobirds vs Ebirds, what a great discussion, lets keep going with it. What about the the birder, that just has four hours to spend and wants to go to a location where there is a good diversity of birds and is not interested in traveling great distances for a rare bird. For example a birder

[cobirds] Slow Migration?

Hi This fall seems unusually sparse on reports for land and shore bird migrants—I wonder why. I was recently in central California and at least for land birds the conditions seemed similar-- very sparse. Because I had my scope stolen I was unable to offer an opinion about shorebirds.

[cobirds] Thanks to B Guarente

Hi: Thanks to Bryon Guarente for sharing knowledge about wind patterns from UCAR’s Comet program—very interesting. 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

[cobirds] Eastern Screech Owl

Hi: At least in my neighborhood near DU the Easter Screech-Owls have been actively calling nightly for at least the past week. 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

[cobirds] JJ Audubon, the benefits of of using bait

Hi Many folks wondered how John J Audubon was able to get so close to hummingbirds in order to paint them. He would fill up a small cup with red wine wait for a hummingbird to be attracted to the color and then watch the hummer sip the wine. After a short wait the now giddy hummer would

[cobirds] CCRes (Arapahoe)

Hi: Hooded Mergansers, lots M & F ad Ross's Goose—siting on ice west side picnic area Jv Common Loon—slowly patrolling the west side ad Glaucous Gull—first seen sitting on ice west side then flew off into the heat waves of the middle of Res. many Bonaparte’s Gulls. Did not see Mew’s or

[cobirds] CCSP--Long-tailed Duck

Hi Found Walbek’s f-type, Long-tailed Duck, that he recently reported. Since the female L.-t duck is small and rides low, good viewing conditions are helpful in finding it. About 1:30 pm, the light from the west was perfect for scoping the water. From the westside, from the peninsula the

[cobirds] Rarest bird event of the year

Hi: I agree with Ted, by far the biggest bird event of the year was finally obtaining documentation for the Vaux’s Swift after sitting on the hypothetical list for decades. Congrats to Brandon for bagging this one Here is a fantasy thought, wouldn’t it be great, by arranging events, that the

[cobirds] CCSP (Arapahoe Co)

HI The 3 Swans previously reported were again seen today flying around the reservoir, but were last seen by Tuesday Birders flying south over the gun range 3+ female type Red-breasted Mergansers seen in northern half 1 Common Loon still present, last seen at boat launch area. Bob Righter

[cobirds] CCSP (ArapahoeCo)

Hi Snow Goose, one light phase and one slightly darker than light phase Good assortment of dabbling and diving ducks in south end One Common Loon (Juv, barred backed) by the outlet Dark phases of western Red-tailed Hawk, 3-4 Bonaparte’s Gull, 7-10, (named after Charles Bonaparte,

[cobirds] Routt country bird report

Hi all My wife Sandy and I spent five days in the Routt National Forest--Mt. Zirkel Wilderness area in Routt County bird watching and botanizing primarily in the montane, 7800’ to 8800’ zone. The major vegetation consisted of sub-alpine fir, some spruce, lots of aspen and a solid covering of

[cobirds] Say's Phoebe (Denver),

Hi While visiting my 103 year old father-in-law at Clermont Park retirement digs, there was a Say’s Phoebe working under the eaves for ___? Of interest the Say’s Phoebe was first discovered for Science on the 1820 Steven Long Expedition while the expedition was in an area that is know Pueblo

[cobirds] Alfred M Bailey's Film series at the DMNS

For those who might not be familiar with Bailey he was an ornithologist, first curator of Louisiana State Museum, then curator of the Field Museum and the Chicago Academy of Sciences and in 1936 became curator then director of Denver Museum of Natural History now the Denver Museum of Nature

[cobirds] Merlin

Hi While lovey, our spaniel, and I were walking around the DU area in Denver, a Merlin swooped by, scaring me, but only startling Lovey. Her life list is nudging 10 species Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google Groups

[cobirds] Questioning to Lovey's Life List

Hi: In rebuttal to a recent post questioning Lovey’s life list. Lovey is an exceptional spaniel. When we walk her head is always about 2” from the ground. She is a scent tracker as opposed to a sight hound, so when she abruptly looks up from a strong scent and locks on to a bird with her

[cobirds] Eagle in flight

Hi Did you ever want to fly like Eagle. Go to the Lab of Ornithology web site and click on Golden Eagle sky-dancing, utube.com. The video sure convinced me to consider putting my name on the waiting list for the "next life” to become a Golden Eagle. Apparently I seem to lack the tech skills

[cobirds] Tom's Slideshow of SLV

That was a most enjoyable slide show by Tom of the birds and scenes of SLV. My favorite was the of the two, side by side, Sandhill Cranes, each looking the opposite direction from each other with one stepping forward in a classic Fred Astaire dance step, wing to wing with his partner. Bob

[cobirds] Great-tailed Grackles (Weld Co)

Hi In the Beebe Draw region on the west side or Rd 43, in-between roads 46 to the north and 44 to the south, opposite a small farm to the east, in a field feeding on the grounds were a flock of blackbirds including Great-tailed Grackles, 50 plus, male and female , Yellow-headed Blackbirds,

[cobirds] Orange-crowned Warbler--Denver CO

Hi: Seen in the DU area in Denver during morning walk today. Could this be a first of the season sighting for this species on the eastern plains ?? Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from

[cobirds] Black Rail Cherry Res

The Black Rail was first heard from the wet lands on the west side of park, opposite from the the road to the model air plane field. I heard two singing ki-dick, Ki-dick, ki-dick from 12:15 to 1:15 pm. They were actively singing. Also from the same vicinity there were Sora and Virginia Rails

[cobirds] Correction on Black Rail Cherry Creek Res

Hi: Good Grief, I should have known better, what I was hearing was a Virginia's Rail. My apologies to anyone who made the trip to Cherry Creek for the Black Rail. Most embarrassing, my face is now beat red, probably turning to a crimson color as type this out. I’m sure the egg on the face

[cobirds] Den Botanic Gar Chatfield Jeffco

Hi 1 Northern Waterthrush 1 Virginia's Warbler Early Arrivals Western Wood Pewee Warbling Vireo 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 receiving

[cobirds] Lower Latham, Weld Co

Hi Lots of bird movement around Lower Latham region, apparently gearing up for migration south. Most notable were concentration of swallows, Bank, Barn, Cliff. Western Kingbirds seemed to be everywhere. 35 Cattle Egrets in one field that contained just a handful of cattle. Didn’t detect any

[cobirds] White-winged Scoter--Aurora CO

Hi: At Aurora Res, today (cold and windy), there was a female-type White-winged Scoter steaming around the dam outlet area. 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

[cobirds] Bird Song Apps

Hi If anyone has info on good bird song apps I’d appreciate if you could send me that info to my email address, not to Cobirds. Thank you very much in advance for your effort Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds"

[cobirds] DFO Talk about Owls

Hi Paul Bannick, from Seattle, gave a stunning presentation to the DFO this evening about the owls of North America. The photos were sensation, but his understanding of each of owl’s seasonal needs, their variation of habitat usage, corresponding with different biological requirements was

[cobirds] Blanca Wetlands (Alamosa Co)

Hi: Today on one of the playa lakes on the North Mallard section there were 600-ish American Avocets. There were the most numerous species on this playa, Also just about all the expected dabbling ducks were present in sizable numbers, with the Northern Shoveler perhaps the most abundant.

[cobirds] Surf Scoters--Cherry C SP--Arapahoe Co

Hi: Two Surf Scoters at Cherry Creek SP—seen 02:30— middle of the middle portion of the lake. 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

[cobirds] Red-necked Grebe--Boyd Lake SP-- Larimer Co

Hi: At about 10:45 am, viewing from the southwest corner of the lake, the grebe was swimming amongst 20 + Western Grebes in the middle of the southern-third of the lake. Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds"

[cobirds] Two Common Loons Cherry Creek SP Arapahoe Co

Hi Two Common Loons motoring around in the southern half of the reservoir 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] Cherry Creek SP--Those ?? gulls

Hi: The water was calm on Cherry Creek SP, not even a wave, just the small assortment of the usual ducks, so I decided to scope those annoying-looking gulls standing on the logs at the marina, adjacent to the dam in the northwest corner. There were about 5-7 Herring Gulls and many, many adult

[cobirds] River bend Ponds Fort Collins

Hi One Osprey hunkered down on one of those nesting platforms Many male Red-winged Blackbirds but no females detected 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

[cobirds] Cherry cr Res (Arapaho Co)

Hi At the duck pond, sw end Res in the wetlands: Male, Great-tailed Grackle Black-crowned Night-Heron 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] Fledged, Eastern Screech-Owl in Denver

Hi: In the DU area of Denver this morning, a neighbor found a fledged Eastern Screech-Owl wobbling around in the middle of the street, picked it up and placed it in a safer location near where the parent was calling. The fledged owl was the cutest thing I’ve seen. I obtained an iPhone picture

[cobirds] Great-tailed Grackle, Westminster, Broomfield Co

At 2 pm today a male Great-tailed Grackle was sitting on the roof of a Lowes store in Westminster, Broomfield Co 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

[cobirds] Cherry Creek Res

Hi Lots of activity on the water: Highlights: 7-10 adult Forster's Terns, one 1st year type 7-10 Franklin's Gull, 3 Bonaparte's Gull 2 Great Egrets All of the expected swallows, except Bank Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to

[cobirds] Crow Valley (Weld CO)

Hi The trees are partially leafed out, but still an excellent variety of birds-- 38 species in 2 1/2 hours. Should be even better this weekend. Red-bellied Woodpecker at east entrance. Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the

[cobirds] Boyd lake--shorebirds

Hi As stated in other reports the shorebirds were the north section 5-8 Killdeer 1 Black-bellied Plover 15-20 American Avocet 1 Greater Yellowlegs 15-20 lesser Yellowlegs 3 Marbled Godwit 30 plus Willets 4 Baird's Sandpipers 5 long-billed Dowitcher 40 plus White-faced Ibis 10-15 Water Pipits

[cobirds] Crow Valley Camp -Weld Co

Hi Just about all of the migrate action was around the Steward J Adams, Education site in the NW corner and centered around the pools of water along Crow Creek Nifties Olive-sided Flycatcher Red-breasted Nuthatch (4-6) Townsend Solitaire Orange-crowned Warbler (4-7) Wilson's Warbler (many)

[cobirds] Lesser Black-backed Gulls sightings

Hi: On earlier Cobird post I’ve noted Lesser Black-backed Gulls (LBGU) being reported. Since there are very few breeding records for LBGU in North America it would be useful for late summer-early fall Cobird reports to include the age for the gull being reported . A documented juvenile LBGU

[cobirds] Cheery Creek Res

Hi No explosion of nifties from the north. High lights 1imm Sabine’s Gull, still present, feeding on the water surface, adjacent to the dam on the west side 1 ad. Lesser Black-backed Gull seen in amongst the gull flock at Pelican Point while 12-15 Sandhill Cranes were flying south giving

[cobirds] Hats off to Cobirds

Hi: >From my humble opinion I think Cobirds is a tremendous asset for Colorado >birding. The information is current, well organized with rare and interesting >sightings, birds sightings are conveniently arranged by species and county, >and most importantly is exquisitely managed by Joyce

[cobirds] Crow Valley CMPGDS Weld Co

Hi Highlites: White-breasted Nuthatches 3-4 No Red-breasted Nuthatches Cedar Waxwings 20-25 F Western Tanger 1 Magical moment: Through the early morning fog 20 Sandhill Cranes flew over head, close enough to hear their whooshing sounding wing beats. Now that is the kind of chill I like to

[cobirds] E. Screech-Owl Calling

Hi: University Park region in Denver During a particularly sleepless night I heard the owl calling around 3:30 am last night. On a previous night I’ve heard the owl singing-calling around 8:00 PM so for what ever reason the E. Screech-Owl is vocalizing at this time of year!! Bob Righter

[cobirds] Nathan's new sound guide--to the rescue

Hi While birding at Crow Valley today I heard a nuthatch sound that confused me- was it a variation of the Red-breasted or a variation of White-breasted? The White-breasted would be the expected nuthatch but the way the Red-breasted has recently been motoring around to locations where it

[cobirds] "Harlan's" Red-tailed Hawk, Cherry Creek Res, (Arapahoe Co)

Hi all On the westside of the reservoir, near the rowing shack, an, all black buteo, (not showing any brown tones to the body) was flying back and forth close to the water. When the hawk banked the upper tail was clearly white, washed with some black smudging along the outer upper tail. Also

[cobirds] Cheery Creek Res. (Arapahoe CO)

Hi At the Marina 1 Greater White-fronted Goose swimming amongst various sizes of Canada Geese as well as Cackling Geese Scattered through out 25-35 Red-breasted Mergansers, mostly in female-type plumages but a few males were also seen 20- 30 Bonaparte’s Gull, mostly adults, but a few 1st

[cobirds] "White-winged" Junco--Bluff Lake Denver Co

Hi: At the western end of Bluff Lake was a nice congregation of four different populations of the Dark-eyed Junco, the “Oregon,” “Pink-side,” Slate-colored” and pecking close by to the Slate-colored was a paler, grey junco with distinctive white wing bars, a beautiful representation of the

[cobirds] Snow Geese in Denver Co

Hi Walking out side to pick up morning paper, near the DU area, over head was a flock of about 25 Snow Geese in perfect Snow Goose formation. Bob Righter Denver CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this

[cobirds] Red-throated Loon, Timnath Res, Larimer Co

Hi At 2:15 pm there was a non-breeding, plumaged, Red-throated Loon in the middle of Timnath Res. In the south-central part of the reservoir there was jv. Common Loon. Bob Righter Denver, CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group.

[cobirds] White-fronted Goose Cherry Creek (Arapaho’s Co)

Hi At the very eastern section at Cherry Creek Campground a Greater White-fronted Goose was waddling around within flock Canada Geese. Great opportunity for close up photos Bob Righter Denver CO Sent from my iPhone -- You received this message because you are subscribed to the Google

[cobirds] N.Shrike--Cherry Crk Res (Arapahoe Co)

Hi: On the west side of Cherry Creek wetlands, near the green marker labeled N 17.5 (39.37.1 & W104.50.2). To my amazement the shrike began singing and to my further amazement I actually got a relatively decent recording of it on my iPhone. If anyone would like a copy of the shrike's

[cobirds] Surf Scoter at Cherry Creek (Arapahoe Co)

Hi First found by Mary Cay Burger Sunday 10/22. The scoter was still where she described it in the Southwest portion of the Reservoir. It was swimming in and amongst a flock of Gadwalls, Buffleheads. Lesser Scaups, Ruddys, Hooded Merganser and Common Mergansers. Flocks of Tree Sparrows have

[cobirds] Cherry Creek Res (Arapahoe CO)

Hi Good activity on the Reservoir today 14 species of ducks, including several Canvasbacks 1 Greater Yellowlegs flying around the south end 7 American Avocets, look on the small beach-lets on the southern end Ran into Randy Lentz who was birding the reservoir in the earlier morning. I

[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] Who was Harris of Harris’s Hawk fame?

Ed Harris of course! Harris was a friend of J.J. Audubon during the early 1800s. Audubon valued close friendships and often honored those friendships by naming a bird after that person. In 1837 the Harris’s Hawk, illustrated by Audubon, was introduced to the world with the publication of Birds

[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

[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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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

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