[cobirds] Smart Phone Audio Recorders

[Bob Righter]

Hi

Nathan, Ted, and Gregg Goodrich have been urging us to use our smart phones as 
a recording device. Yesterday at the Vatnajokull Glacer in Iceland I found 
myself surrounded by singing Ringed Plovers where I got a decent recording of 
its song. Any one like a copy let me know by separate email, but may take me a 
couple weeks to  send it out.

Bob Righter
Denver CO

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[cobirds] Neotropic Cormorant and Humboldt

[Bob Righter]

Hi:

Of interest the Neotropic Cormorant was discovered by Alexander von Humboldt 
along the Orinoco River while he was exploring South America sometime during 
1799-1804

Bob Righter
Denver CO

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[cobirds] Possible Black-chinned Hummingbird- Denver

[Bob Righter]

Hi

I live in the DU area of Denver and about 7:30 pm a female/juvenile hummingbird 
was spotted feeding on some tubular red flowers. The hummer had a long slightly 
dipped bill, was flicking its white-tipped tail feathers as it was feeding, 
could not detect rufous on it tail, the light made it difficult to determine 
back color, when perched it appeared the wing extended about even with its 
tail, the throat appeared a light dusty color, all of the mentioned features 
suggested a Black-chinned. However when it was hovering I noticed a dimmed, 
dusky, rufous tone to its lower flanks, suggesting a female/juvenile 
Broad-tailed. Kaufman’s relatively recent Advanced Birding Guide suggest some 
young Black-chinned can show, faint, dusky-rufous wash to its flanks?

If it wasn’t for individual variation amongst birds, I could have put a 
satisfying check mark for Black-chinned Hummingbird for my yard list. looks 
like I’ll have wait.

Bob Righter
Denver CO

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[cobirds] Robin and Black-headed Grosbeak songs

[Bob Righter]

Was I hearing the song from a Robin or was it from a Black-headed Grosbeak?

I usually associate the song of the Black-headed Grosbeak as being patterned 
like a Robin but embellished with various toots, whistles, and slurred notes, 
delivered at slightly faster tempo. The Grosbeak’s song is sometimes referred 
to as sounding like a revved up Robin.

On the east side of Moraine Park, in RMNP, I heard a song emanating from a 
spruce-fir-ponderosa habitat, that to me sounded like a typical Black-headed 
Grosbeak’s song. However wherever I looked in the direction of the song all I 
could see were Robins.

>From a patch of willows that were adjacent to the conifers I heard and saw a 
>Black-headed Grosbeak singing.  Shortly it flew to a Douglas-fir limb and 
>continued singing for a short time.

What was I to think?  Do Robins really have that range of song diversity to 
sound like a Black-headed Grosbeak, could Robins and Blacked Grosbeaks mimic 
each other’s song, like individuals from other songbird families, or was I just 
hearing an odd, revved up Robin singing?I’m inclined to believe I was hearing a 
revved up Robin that coincidently was in the same neighborhood as the 
Black-headed Grosbeak.

That’s why birding is fun—one never knows where the next birding dilemma will 
occur.

If any one would like to hear the recording I obtained, let me know as I’d be 
delighted to send a copy, but it wouldn’t be until next week, as I have to 
download the file to the computer, which is in Denver.

Bob Righter
Denver, CO


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[cobirds] Am Three-toed Woodpecker RMNP, Larimer Co

[Bob Righter]

Hi

Today, found a nest of the American Three Toed-Woodpecker along the Nymph 
Lake-Dream Lake Trail. The trail head starts from the Bear Lake parking area. 
The nest was found along the trail, just west of Nymph Lake. 40-18-37N; 
105-39-3W. Both adults were actively feeding the young. I got a great recording 
on IPhone of the young begging. I would be delighted to send the recording to 
anyone, just send me your email

 Cheers

Bob Righter
Denver CO

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[cobirds] Pacific Loon—Cherry Creek Res (Arapahoe Co)

[Bob Righter]

Hi

A Pacific Loon, patrolling around in the North west section of the reservoir, 
was first spotted by Randy Lentz.

Bob Righter
Denver CO

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[cobirds] Least Flycatcher, RMNP, Larimer Co

[Bob Righter]

Hi

At 11:00 am while walking from the trail head on the east side of Moraine Park 
at about 1 to 2/10ths of a mile I heard "chebeck, chebeck, chebeck..." that 
continued for 10 minutes. The empid was calling from a Lodgepole tree limb 
about 20 feet from the ground that was adjacent to the path. Viewing the empid 
from about 20 feet I first noticed how the underneath appeared noticeable light 
in color, particularly after just viewing a Dusky Flycatcher that appeared a 
grayish dusky undertone. Viewing from the side the wings appeared blackish with 
noticeable light-colored wing-bars and the face showed a distinct eye-ring. The 
bill was short and the tail was medium length and narrow. The general habitat 
was Lodgepole Pine and Alder-Willow near the wetlands, certainly an odd 
location for a Least. If anyone is interested I have a rather scratchy IPhone  
recording that I'll figure out how to send

Bob Righter
Denver CO

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[cobirds] Cherry Creek SP--Red-breasted Mergansers

[Bob Righter]

Hi

In the north west quadrant of the park were 4 Red-breasted Mergansers, one was 
a male in breeding plumage.

Bob Righter
Denver CO

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

[Bob Righter]

Mark

Nice post, gives all of us an idea of what MASS means, that must have been 
exciting being out there

Cheers, Bob

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> On Jan 17, 2017, at 1:26 AM, cobirds@googlegroups.com wrote:
> 
> 
> cobirds@googlegroups.com  Google Groups  
> Topic digest 
> View all topics
> Park County 1-16 - 1 Update
> Lapland Longspurs, Kit Carson County - 1 Update
> No Shrike - 1 Update
> Pueblo birds recently - 1 Update
> Aurora Reservoir (Arapahoe) and goose musings - 1 Update
> Birding in Pantanal Brazil - 1 Update
> White-throated Sparrow - Golden - Jeffco - 1 Update
> Colorado Rare Bird Alert, 16, 2017 - 1 Update
> Park County 1-16   
> David Suddjian : Jan 16 09:09PM -0700 
> 
> A limited foray into northern South Park in Park County in the early
> afternoon produced rosy-finches in small numbers at Jefferson (
> *Gray-crowned* and *Brown-capped*), and moderate numbers at Fairplay (
> *Gray-crowned*, *Brown-capped*, and *Black*) and Elkhorn Road in the region
> of Goshawk Road (*Gray-crowned* and *Brown-capped*). Silverheels Road had 
> *Pine
> Grosbeak*, *Gray Jay*, *Am. Three-toed Woodpecker*, and *Red Crossbill*
> (Type 5), and a handful of rosy finches. Nothing of note at Como, and most
> other areas I looked at were bird free.
>  
> David Suddjian
> Ken Caryl Valley
> Littleton, CO
> Back to top
> Lapland Longspurs, Kit Carson County   
> Mark Peterson : Jan 17 03:49AM 
> 
> COBirders,
> I think the secret to seeing the mass of Lapland Longspurs is to be out 
> during the snow storms.  A few of us have been out in Kit Carson for a couple 
> of months and finding large flocks on days without bad weather does happen of 
> course but they are at best just large flocks.  Yesterday I was out almost 
> all day and checking the known good areas when I could and had almost zero 
> birds even though it was stormy.  The difference though was that yesterday it 
> was rain/ice almost all day which seem to ground all the field birds.
> Now, fast forward to today.  Today it was 20+ MPH winds and snow most of the 
> day.  The MASS of birds were back.
>  
> Glenn and I got to sit and watch this event for an extended period of time.  
> The area we watched today was 4 times larger than the one from last week.  I 
> have posted another video from today that just shows the first layer of birds 
> and near the 2:45 mark you can see a second layer and maybe the best part of 
> the video.  The thing that we cannot capture is that this video only shows 
> about a quarter mile deep worth of birds.  There are multiple layers of birds 
> that span across a couple of miles.  So just imagine swarms of birds all over 
> roughly a couple of square miles.  Our estimated numbers from today were as 
> follows:
> 575,000 Horned Lark1,250,000 Lapland Longspurs
> Here is a the video that shows a small fraction of the total birds.  Again, 
> if you watch the video but are impatient, jump to roughly the 2:45 mark.  I 
> took this video while driving almost two miles, it is just a bit shaky ;) but 
> I don't think it should make anyone sick.
> https://youtu.be/WURlpcWPnug
> If you are interested in trying to see these birds I would recommend coming 
> tomorrow if at all possible but do not expect these numbers as it is supposed 
> to be nice but with the bit of snow on the ground there should still be 
> decent numbers.  Otherwise, watch the weather for out here and when you see 
> snow, not rain, in the forecast come out and see what you can see.
> The location of the flock today was along Kit Carson county road G roughly 
> between CR 9 and where CR 7 would be if it were there.  Also, if you come, 
> look at this field carefully as it is this type of field that the birds tend 
> to like best.  So you could then drive back west into Lincoln county and 
> probably find the same thing.
> Good birding!
>  -Mark Peterson
> Colorado Springs
> Back to top
> No Shrike   
> William Fink : Jan 16 07:55PM -0700 
> 
> No Shrike seen at Rabbit Mtn 1-16-17about half way up the road from parking 
> lot 
>  
> Sent from my iPhoneGood birding Bill Fink Longmont
> Back to top
> Pueblo birds recently   
> Brandon Percival : Jan 16 04:56PM -0700 
> 
> Quite a few interesting birds around Pueblo lately. I finally was
> able to bird for the first time this year in Colorado, last week (I
> was out of the state until 4 January, and then stuck at home after
> that, with the snowy/icy roads and weather). Here is a summary of
> what birds I've seen.
>  
> Greater Scaup - two to three at Pueblo Reservoir, 9-11 Jan
> Barrow's Goldeneye - one adult male, one immature male at Pueblo
> Reservoir, 11 Jan
> Barrow's Goldeneye - one female along Arkansas River, e. of City Park, 12 Jan
> Ruddy Duck - one female Valco Ponds in Pueblo, 10 Jan
> Common Loon - one to seven at Pueblo Reservoir, 10-14 Jan
> Horned Grebe - only one at 

[cobirds] December Rare Birds

[Bob Righter]

HI

I Counted  56  Rare Birds posted on Cobirds for December. Would this be the 
month in which we can expect the most rare bird sighting  for any month?

Bob Righter
Denver, CO

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[cobirds] Remembering Joe

[Bob Righter]

Hi

Years ago Joe and I we're roommates on a birding trip to Grand Manan, NS.. Joe 
became infatuated with the smoky, aroma of the tea I was drinking, Lapsong  
Suchong (SP?). It was impossible not like Joe. He was one of the most congenial 
birders I've known. One would seek Joe out just to be with him. When I have cup 
of that tea now, it will be like sharing a cup with Joe.

Bob Righter
Denver, CO

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[cobirds] Vertical feeding of American Dipper

[Bob Righter]

Hi

Adding to the theme started by David Suddjian about Dippers adapting to 
different environments, today, Sandy and I visited the  North Clear Creek 
Falls, located off 149, The Silver Thread Scenic Byway in Hinsdale County, 
Forest Road 510.  Halfway up the falls we saw an American Dipper foraging on 
the side of the watery cliffs,  darting close to and behind  tumbling water, 
and also foraging on the algae, where the water would spill onto the ledges.

The North Clear Creek Falls is also the most accessible place in Colorado to 
watch Black Swifts, mostly June through August, the early morning to late 
afternoons or if lucky any time. At the overlook there are four informational 
signs, one which points out the Black Swifts' summer and winter range and how 
the ROCKY MOUNTAIN BIRD OBSERVATORY, with their skilled biologists, were able 
to strap geo-locators onto the Swifts, which eventually revealed the Swifts' 
winter range.

Bob Righter
Denver CO


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[cobirds] Lake San Cristobal--Hinsdale Co

[Bob Righter]

Hi
Canada Goose, 25 -- mid-length bills
Red-napped Sapsucker, 1 --male
Steller Jay, 4-7
Yellow-dumped Warbler, 1
Dark-eyed Junco, 15 - 20, mostly "Gray-headed"
Chipping Sparrow, 15-20

Bob Righter
Denver, Co 80210




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[cobirds] American Three-toed Woodpecker

[Bob Righter]

Hi

On the the Cross Creek trail,  Eagle County, 39-25-51 n, 106-25-31w, south of 
Minturn by approximately four miles, was an American Three-toed Woodpecker, 
splintering  bark on the trunk of a Douglas Fir, teaching it's off-spring the 
art of feeding. The zone where all this action was taking place was montane, on 
a slopped hillside, 8500 feet, the major habitat components  consisted on 
Douglas Fir, Aspen, and Lodgepole Pine. IF this was enough, up slope a Pine 
Grosbeak began calling, and several Western Tanagers glided in to see what was 
going on.

Bob Righter
Denver CO

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[cobirds] Remembering Bob Rozinski

[Bob Righter]

I would go to Cherry Creek SP to bird but also hoping to run into Bob. On one 
occupancy last fall when we met, he began telling me about a new camera that 
would do this and that, small and light and took great pictures. I had to have 
that camera right now.  One hour later there I was in Mike's Camara with credit 
card in hand. Now when I use that camera it will have extra meaning to me, by 
remembering Bob

Bob Righter
Denver CO

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[cobirds] Meeting Colorado Birder on TX birding Trail

[Bob Righter]

Hi
While recently birding the Sun Dew trail in the Piny Woods in Texas, ran across 
Mark Minne-lee, from Superior CO. As we walked the trail we were impressed by 
the variation  of sounds from the White-eyed Vireo and worrying how the storm 
blowing into Colorado and how that  could effect migration.

Bob Righter
Denver, CO

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[cobirds] Northern Shrike

[Bob Righter]

Hi

Yesterday, there was a first year type Northern Shrike, north of Nunn on CR 33, 
Weld Co, working near a creek.

Bob Righter
Denver CO


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[cobirds] Douglas Res--L-t Duck

[Bob Righter]

Hi

The female Long-tailed Duck is still at Douglas Res., in northern Larimer Co. 
First seen by David Wade, then by Rachel Hopper, followed by Dave Leatherman. 
Seen in the north-east section of reservoir. Look for a small duck, smaller 
then a female Goldeneye, with a whitish head. I didn't see the Black or 
White-winged Scoters that were also previously reported earlier.

Good luck

Bob Righter
Denver, CO

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[cobirds] Riverbend Ponds FTC

[Bob Righter]

Hi all

A delightful fall day birding Riverbend Ponds Fort Collins
Highlights included:
Virginia Rail
Wilson's Snipe
Merlin
As well as 25 other expected, friendly bird species

Bob Righter
Denver CO

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[cobirds] Cherry Creek

[Bob Righter]

Hi

3 Sabine's Gulls, 3 Common Terns. in the northeast section of Cherry Creek

For those who may be interested
Edward Sabine, while on the 1819 John Ross Exhibition, while off of Greenland 
collected an odd gull. The gull was sent back to England where Joseph Sabine, 
an ornithologist, described the new gull species, Sabine's Gull, in honor of 
his brother.

Bob Righter
Denver, COLORADO



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[cobirds] Beidleman

[Bob Righter]

Hi

Thanks to Arvind for post about Richard Beidleman.

I was greatly influenced by Beidleman, taking all of his week long field 
courses at RMNP year after year and from this gained an approach for learning 
ornithology, particularly an appreciation for the 19th century naturalist who 
roamed the west unearthing all kinds of new biota. He was a riveting teacher, 
one of a kind, perhaps with no equal.

Bob Righter
Denver CO

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[cobirds] Re: Carolina White-breasted Nuthatch

[Bob Righter]

Hi

There seems to be enough circumstantial evidence that the Carolina 
White-breasted Nuthatch is present in Colorado, perhaps more so on our eastern 
plains as articulated by the Wandering Tattler Steve Mlodinow in his 
excellent paper

Of note New Mexico in 2011 had the same suspicions, that the Carolina 
White-breasted Nuthatch could be present on their eastern plains based on 
sound. To prove the point they first mist-netted the critter then took 
measurements, and finally collected the nuthatch. Extensive DNA test were 
conducted which produced definitive proof that the Caroline White-breasted 
Nuthatch was on their turf. This record probably represented the first 
documented record for this taxon on the western edge of the Great Plains (see 
Western Birds, Vol. 44, No, 2, 2013)

Thanks to Ted that is great name for Steve, The Wandering Tattler

Bob Righter
Denver, CO

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[cobirds] Eurasian C-Dove expansion

[Bob Righter]

Hi all

For a dramatic visualization of how fast the Eurasian C-Dove has spread across 
the country look at the older Sibley (2000, pg 256) showing the range map as 
just located in the extreme SE US with a few dots here and there, with CO with 
just one dot, then compare to the second edition's (2014, pg 260) the range map 
 now shows the lower 48 all filled in, except for the greater NE section of the 
country. One can only assume what the next edition's Eurasian C-D range map 
will look like. Wow, that was a fast and thorough invasian.

Bob Righter
Denver CO

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[cobirds] 500th species for the state

[Bob Righter]

Hi all

I like Brandon's post referring that Colorado's list is now at 498 species and 
wondering what will be the 500th species. 500 species for a state not bounded 
by ocean or national boundaries is quite remarkable. I haven't checked to see 
how many other states with similar boundary structures have over 500 species, 
but there can't be that many. What should we do to celebrate that glorious 
event? At least the observer should get some degree of notoriety and the 500th 
species should be covered on some publication. Does any one else have any 
thoughts on what we should to flag the event? It could be a great moment in 
Colorado's ornithology.

Bob Righter
Denver, CO

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[cobirds] Two possible birds for CO

[Bob Righter]

Hi all

Because we are in the Dog Days of summer gives us an opportunity to dream 
about rare birds we could see in Colorado during this fall migration.

The recent Western Birds  has fanned the flames for potential new birds for 
Colorado. Here are just two possibilities to drool about.

The Purple Sandpiper has now been documented in Utah, November, 2012, Iowa, 
Oklahoma, Calgary, Alberta
The Topical Kingbird has now been documented in Provo, Utah, September, 2012

Bob Righter
Denver CO

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[cobirds] Increase in House Wrens

[Bob Righter]

Hi all

The House Wren, at least around the DU area, has in the past always been at 
best a rare summer resident. This summer their status has significantly 
increased. They are now every where in the immediate vicinity. Walking around 
the neighborhood is like birding for House Wrens along riparian areas of the So 
Platte on the eastern Plains. It seems like bird populations have the ability 
to increase or decrease very rapidly with the change probably taking place at 
environmental levels that we don't have a clue to what is happening. 
Interesting but also scary.

Cheers

Bob Righter
Denver CO


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[cobirds] Crow Valley

[Bob Righter]

Hi

Didn't detect any fancy warblers, nothing that unusually rare, although a M 
Great-tailed Grackle in the new lagoon in the north pasture was of  special 
interest. What was of interest was the diversity of species, 46 species in just 
over two hours, always birds to look at, all in all, a very enjoyable morning 
in Crow Valley.

Bob Righter
Denver CO

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[cobirds] M Rose-breasted Grosbeak

[Bob Righter]

Just seen in the south west corner of Warren Park, Fork Collins

Bob Righter
Denver CO

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[cobirds] Red-headed Woodpecker

[Bob Righter]

Hi All

A women called me to say she saw a Red-headed Woodpecker in the east Washington 
Park section of Denver. She reported she previously lived in Ohio and and was 
familiar with the woodpecker.

Bob Righter
Denver CO

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[cobirds] Glaucous Gull CCRes

[Bob Righter]

Hi

At about 2pm saw a 1st cycle Glaucous Gull at Cheery Creek Res. The gull was 
observed in the middle part of the reservoir associating with other, usual 
occurring gulls.

Bob Righter
Denver CO

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[cobirds] New Co Bird Record Site

[Bob Righter]

Hi
After reading Rachel Hopper's post on Cobirds about the upgraded Colorado Bird 
Record Site, I clicked on the link. It's not only slick, it is real slick, and 
easy to use, lots meaty information. Check it out and see what you all think.

Bob Righter
Denver

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[cobirds] Re Wind Map

[Bob Righter]

Hi

Thanks to Elliot Gordon, Colorado School of Mines, for posting link showing the 
wind currents for US. That map was fascinating and helps explain why some days 
are slow birding and other days full of birds. 

Bob Righter
Denver CO

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[cobirds] Ebirds New York Times

[Bob Righter]

Hi

Today in the Science Section on the New York Times is a feature article all 
about EBirds and the impact the program is already having. Most interesting.

Bob Righter
Denver CO 

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[cobirds] Barrow's Goldeneye breeding Mt Evens

[Bob Righter]

Hi all.

Yesterday, August 14, I observed a female Barrow's Goldeneye with chicks 
floating around on the north side of Echo Lake which is on the way up Mount 
Evans, in Clear Creek Co. This sighting may reflect an eastward extension of 
its  normal breeding range. I was able to obtain some grainy pictures of the 
female and her flotilla of young if any one is interested.

Bob Righter
Denver CO





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[cobirds] Pine Grosbeaks, Shrine Pass

[Bob Righter]

Hi all

Shrine Pass today there was an unusual number of Pine Grosbeaks. While walking 
the trails they could be heard and seen almost continuously. I would estimate 
there were 10-15, but there could have been more but hard to judge as their 
songs and call are quite loud and it was difficult to know if the song just 
heard was from a new Grosbeak or from the same one last seen that had flown to 
a different  location.

Flowers were abundant and varied. My wife Sandy easily recorded between 40 to 
60 species, including an impressive 5 gentian species.

The habitat at Shrine Pass consist of Blue and Englemann Spruce, willows and 
subalpine meadows and best of all the the gradient is moderate for easy 
sub-alpine walking.

Shrine Pass is located just off I-70 at Vail Pass, Eagle/Summit Co

Bob Righter
Denver CO.

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[cobirds] Pawnee Grasslands

[Bob Righter]

Hi all:

Highlights along rd 96, aka Murphy's Pasture:
Mountain Plover 1, around Praire Dog town
Willets 11(most common species, aside frm HoLa, along route)
Lesser Yellowlegs, 1
McCown's Longspur, several
Say's Phoebe, 5
Brewer's, Chipping, Vesper Sparrows

Grasshopper Sparrow along 104 east of 57
Burrowing Owl along 57

Bob Righter
Denver CO




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