from:"'Peter Ruprecht' via Colorado Birds"

Re: [cobirds] Rock Wrens (?) at Rocky Mtn. Arsenal

2020-10-04 Thread 'Peter Ruprecht' via Colorado Birds

Hi Van,
Your mystery bird actually sounds just exactly like a Rock Wren to me. The
bobbing behavior is very distinctive for them.
And they're on the move now; I had two in my backyard yesterday and one this
morning. (It's pretty common to have them here during migration; they seem to
like our brick patio.)
Peter RuprechtSuperior

On Sunday, October 4, 2020, 7:24:12 AM MDT, J V Rudd
wrote:

Hi all,Had a great day at RMA with a Lesser Yellowlegs & a Sage Thrasher being
added to my 2020 list. https://ebird.org/checklist/S74362841However, there was
a 3rd bird which stumped me. I initially thought it was a Rock Wren given the
long bill (too long for a Vireo), drab cream-colored breast (no stripes like a
Sage Thrasher), size (slightly larger than the other Rock Wrens we saw), and
eye stripe (very bold). However, it wasn't anywhere near a rock.
We saw it twice, once on top of an outhouse building, and then on some logs. It
was foraging for insects and not making a sound. One interesting behavior I had
not seen before in Rock Wrens: it was bobbing up and down. Not rocking, not
tail flicking, it looked like it was doing deep knee bends! I have never seen
this.
Later on we saw two other Rock Wrens (on rocks this time) and the eye stripe
was less distinct and there was no bobbing. they also looked smaller than the
bird we saw.
One last identifying feature: the bird had black and white bands on the
underside of its tail.Any help would be greatly appreciated.Good birding,Van
RuddLouisville, CO

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Re: [cobirds] Hawk i.d. Storm Mountain, Larimer Cty

2020-09-16 Thread 'Peter Ruprecht' via Colorado Birds

 Buteos are never boring!  Even our most common one, the Red-tailed, has 
variation both subtle and dramatic for a lifetime of interest and wonder.  I 
have appreciated hearing everyone's perspectives on Dave's bird.
I wanted to note that a few weeks ago Chris Petrizzo and I saw a similar 
immature redtail in the Endovalley in RMNP.  Ours had an almost completely 
bright white head.  https://ebird.org/checklist/S73061878 .  If it was a 
Krider's (hard to say for sure because we only got very brief distant looks at 
its dorsal side) then I think it would be unusual to see up in the mts like 
that.  Interestingly, now we have Dave's very light redtail up off of the 
plains as well.
One thing to keep in mind with the "three white lights" field marks of the 
Ferruginous Hawk is that immature redtails can often show a similar pattern.  
They regularly show a white base of the tail, and they have light windows or 
panels on the outer third of the wing.  I admit to having been fooled by this 
(cough cough) more than once!
Peter RuprechtSuperior

On Tuesday, September 15, 2020, 7:55:19 PM MDT, Dave Hyde 
 wrote:  
 
 
Thank you all for your suggestions. I accept the pale Red-tail, possible 
Krider’s hawk (even though looking at the photo I thought there’s no way this 
can be a Red-tail: white head, white rump, barred tail!). But there is more to 
the story of this pale red-tail. I was looking out the kitchen window and the 
bird flew up from below the window,  which is when I saw its tail. I got to 
thinking, what would any large hawk be doing on the ground outside my window? 
So I went and looked on the ground there for any signs of avian mayhem. And I 
found … a complete wing of a Yellow-rumped warbler! There were no excess 
feathers or body anywhere although I later found the other wing, also intact. 
Whatever had got this warbler – and it may not have been this hawk as the wing 
feathers were only slightly supple as if the bird had died yesterday or early 
in the morning – had clipped off its wings and carried off the body! In fact, I 
had the impression that the pale hawk had something in its grasp as it landed 
atop the tree because it looked down at its feet when it alit. I dunno, this 
was certainly a strange hawk encounter. Here’s a photo of one of the warbler 
wings, and thank you all again for your advice – Dave

  
 


  
 
Sent from Mail for Windows 10

  
 

 
From: cobirds@googlegroups.com  on behalf of Joe 
Kipper 
Sent: Tuesday, September 15, 2020 7:24:22 PM
To: Colorado Birds 
Subject: Re: [cobirds] Hawk i.d. Storm Mountain, Larimer Cty 
 
 
 
Yes, this is a definite juvenile Red-tailed. When I see birds like this in the 
field I don't really take note of the field marks like a should I just say 
"this is a Red-tailed because of the GISS," but this is a good opportunity to 
note the field marks since Osprey and Ferruginous Hawk were suggested. This 
bird is paler individual so it doesn't have the "helmeted" appearance that most 
adults and some very dark juveniles have. The "three points of white" field 
mark is a field mark that is useful when looking at the dorsal side of soaring 
buteos. Because this bird is perched, you can't even see the "wrists" mentioned 
by Caleb that would be white on a Ferrug. White speckling on the scapulars is 
another field mark of RTHA. Adult Ferrug would have orangish back with 
steel-blue primaries and juvenile Ferrug would have a uniform brown back. 
Unfeathered legs are also a huge field mark, thank you Todd D.
 
Good Birding everyone! In a few months we will have plenty of opportunities to 
study the many buteos that winter here and their endless myriad of unique color 
morphs and plumages.
 
Joe Kipper,
 
Fort Collins
 
  
 
On Tuesday, September 15, 2020 at 4:55:15 PM UTC-6 goldene...@gmail.com wrote:
 

Juvenile Red-tailed Hawk, check out light western juv. in Sibley. Bands on tail 
from Dave's description. Also, no feathered legs that Ferrug would show.
 
  
 
On Tue, Sep 15, 2020 at 3:42 PM Dave Hyde  wrote:
 

HI CObirders,,

    At 1.25pm today as I looked out my kitchen window I saw a large 
hawk fly upwards and over the house. All I saw was a spread tail with many fine 
bands. I grabbed my binoculars and camera and went to the front of the house to 
see the hawk land atop a pine tree. I spotted it and thought, ‘that looks like 
an Osprey! Better take a picture.’ So I did and got 3 photos before the bird 
flew away. As it went it looked like it had a white rump. This is the best 
photo I got. Can anyone please tell me what hawk this is? – Dave Hyde/nr Storm 
Moutain, Larimer Cty.

 



 

Sent from Mail for Windows 10

 



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[cobirds] Pectoral Sandpipers - Boulder Co

2020-09-12 Thread 'Peter Ruprecht' via Colorado Birds

Cobirds,
I stopped by Little Gaynor Lake this morning, where there are now buggy and 
sloppy (and smelly) mud flats.  Due to heat waves visibility was not optimal, 
but it was fairly easy to see a loose group of 15 or so Calidris sandpipers.  I 
think most were Least, but there were 4 similar-plumaged ones towering over 
them, which I'm pretty sure were Pectoral.  eBird flagged them so I thought I'd 
let you all know in case someone wants to try to confirm.  Also, plenty of 
killdeer.  Plus about 20 teal and shovelers in the shallow water and assorted 
larger dabblers out in deeper water.
Anyway, all that mud has got to be attractive to other migrating shorebirds so 
Little Gaynor may be worth a look during the next couple of weeks.
Peter RuprechtSuperior, CO

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Re: [cobirds] Lake County Bird ID

2020-08-24 Thread 'Peter Ruprecht' via Colorado Birds

I think the second bird is a Spizella sparrow, like Chipping or Brewer's.
Note the unmarked breast and belly, and the dark line through the eye.
Spizellas have fairly long tails with distinct notches. I think the notch is
just exaggerated in this case by the way the bird is holding its tail.
Peter RuprechtSuperior

On Sunday, August 23, 2020, 9:47:00 PM MDT, julieama...@gmail.com
wrote:

Good evening!
Yesterday morning I hiked around Turquoise Lake, near Leadville, and observed
two birds I'm not positive in identifying.
The first looked like a House Wren, but I wasn't positive since this was around
10,000ft. I know it's possible for them to reside at this elevation, and it
doesn't quite appear to be another wren, so I wanted to soundboard it with you
guys.
The second I managed to catch only a quick glimpse of. I am rusty with high
altitude, forest birds, and while it looked Finch-like, again, wanted to hear
thoughts.
I attached pictures to my drive where they can be viewed (unless I need to
attach these in a different manner).
Wren -
https://drive.google.com/file/d/1tHQUgl48RbfG7SGhjrD-32KInI5pN4yM/view?usp=sharingWren
-
https://drive.google.com/file/d/1LQNQIPQ0f97lne7edSycgqPAjPE0zkfD/view?usp=sharingUnk
-
https://drive.google.com/file/d/1msLdNymu0mw44Pd4DJoqYcbK5q_9JcoQ/view?usp=sharing

Julie MartinezAurora, CO

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Re: [cobirds] So Long McCown's Longspur, Hello Thick-billed Longspur

2020-08-12 Thread 'Peter Ruprecht' via Colorado Birds

 Cross-posting from Boulder County Nature-Net:
Without getting further into the discussion of whether it's appropriate to name 
birds (or plants, or mountains, or towns ...) after people, let me add just a 
few (mostly tongue-in-cheek) observations about what happens if bird names 
change.
I wondered which ornithologists would get hosed the worst by bird nomenclature 
changes, ie, whose name disappears from the most species.  William Swainson's 
name is on nearly 10 species or subspecies, though only a few in N.A.  
Alexander Wilson and John Cassin lose out on at least five each.  (As an aside, 
per Wikipedia, Wilson died of "chronic poverty", and Cassin of arsenic 
poisoning due to handling too many preserved skins.  Clearly ornithology was a 
tough gig back in those days.)
I am totally fine with MacGillivray's Warbler changing to something that I can 
spell correctly consistently.
Along the same lines, if we don't change Steller's Jay to Crested Conifer Jay, 
please make it Stellar Jay so that the majority of the Internet will be able to 
spell it right with no further work needed.
If shooting at birds is a major disqualifier for having them named after you, 
presumably gentle ladies such as Lucy, Grace, Anna, and Virginia are OK to keep 
"their" warblers and hummingbirds?
And should we really name birds after jobs, like the "prothonotary", which was 
apparently a Byzantine court recorder?  I personally think the alternate name, 
"Golden Swamp Warbler", rocks.

The odonates community did a great job when assigning official common names to 
dragonflies, handing out descriptive and mellifluous monikers such as 
"sundragons" and "boghaunters".  Fortunately, "long ass butterfly" didn't make 
the cut.  Perhaps bird nomenclaturists can do similarly well.
 -Peter Ruprecht, Superior (who, based on my inability to call Marsh Hawks 
anything more contemporary, will probably keep referring to "Audubon's Warbler" 
for several more decades after it gets renamed ...)




On Wednesday, August 12, 2020, 4:57:47 PM MDT, Richard Trinkner 
 wrote:  
 
 Forgive me if this has already been covered on Cobirds.  I don't recall seeing 
it's discussion.
The AOU decided last Friday to rename the 
bird-fomerly-known-as-McCown's-Longspur to the Thick-billed Longspur.  I 
personally had not realized how controversial the bird's former namesake was.
https://www.birdwatchingdaily.com/news/science/mccowns-longspur-renamed-thick-billed-longspur/

I would imagine we'll be seeing the change in eBird soon.
Richard TrinknerBoulder

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[cobirds] Boulder Bobolink Bonanza

2020-06-26 Thread 'Peter Ruprecht' via Colorado Birds

Hi Cobirds,
Chris Petrizzo and I birded a few places around Boulder today, with one 
highlight being the Cherryvale Trailhead area.  In the nearby grassy fields, 
especially between there and Hwy 36, we saw at least 14 Bobolinks.  At one 
point I had five in one binocular view.  Chris also saw a couple of 
Dickcissels.  Other fun birds there included singing Savannah Sparrows, singing 
and winnowing Wilson's Snipe, and a flyover Wilson's Phalarope.
Note that if you walk along Cherryvale Rd itself, there are some spots with a 
LOT of poison ivy.

Peter RuprechtSuperior

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Re: [cobirds] Blue-gray Gnatcatchers?

2020-05-30 Thread 'Peter Ruprecht' via Colorado Birds

 I also expect to find a lot of Gnatcatchers in April and May in my patch along 
Coal Creek in Superior.  But this year, despite being out more than usual, I 
have seen exactly zero.  There were a few in the low foothills along Plainview 
Rd in northern Jefferson County earlier this week so it's not like they've all 
evaporated.  Like Curt, I'm interested to hear from others about whether I'm 
just blind, or this is a local anomaly, or a more widespread phenomenon.
Thanks,Peter RuprechtSuperior

On Saturday, May 30, 2020, 9:31:45 AM MDT, Curt Brown --- Boulder, CO 
 wrote:  
 
 In my local patch (Bear Creek in Boulder Open Space and Mountain Parks), 
Blue-gray Gnatcatchers are each year one of the earlier migrants to set up 
shop.  I have, for example, had multiple pairs by April 19.  And one of the 
great things about this bird is how pugnacious they are;  you can hardly peep 
without one of them popping up to glower at you.
This year, to date, I have seen none along nearly a mile of nice shrubby 
habitat. I hope that others are seeing lots of this bird.  ??



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Re: [cobirds] big age difference in owl nestlings?

2020-05-14 Thread 'Peter Ruprecht' via Colorado Birds

To update on this unexpected observation - the apparent smaller nestling has
not been seen for several days now. The larger fledglings seem to be in nearby
trees most of the time and the adults do not seem to be attending the nest any
more.

Thanks to everyone who offered feedback on the situation. Sorry I don't have a
happier ending to report.
-Peter

On Saturday, May 9, 2020, 8:05:37 AM MDT, Scott wrote:

Yes,

I have seen GHO's lay one egg every three days, and I have see them weight up
to and over a week or longer to lay a second or third egg.

It will be interesting to see what the parents do with the owlets when the
oldest owlets begin branching. But GHO's are very good parents for the most
part.

Scott Rashid
Estes Park

On 5/8/2020 3:46 PM, 'Peter Ruprecht' via Colorado Birds wrote:

Hi Cobirders,
I've been watching a Great Horned Owl nest near my house in Superior. The
nestlings are getting pretty big and starting to move out of the nest and onto
nearby branches. However, a couple nights ago I thought I saw a small fluffy
white head sticking up among the much bigger other nestlings. And then today
someone sent me a photo which I think pretty clearly shows a young GHOW
nestling (totally downy, maybe 2 weeks old at most) in there.
Has anyone ever heard of such an age difference in GHOW nestlings? This is
clearly not just the usual asynchronous hatching. I thought perhaps the small
one could have been brought in as prey from another nest but it seemed to be
sitting up and alive. I didn't see anything like this in a quick google
search.
Thanks, Peter Ruprecht Superior
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[cobirds] big age difference in owl nestlings?

2020-05-08 Thread 'Peter Ruprecht' via Colorado Birds

Hi Cobirders,
I've been watching a Great Horned Owl nest near my house in Superior.  The 
nestlings are getting pretty big and starting to move out of the nest and onto 
nearby branches.  However, a couple nights ago I thought I saw a small fluffy 
white head sticking up among the much bigger other nestlings.  And then today 
someone sent me a photo which I think pretty clearly shows a young GHOW 
nestling (totally downy, maybe 2 weeks old at most) in there.
Has anyone ever heard of such an age difference in GHOW nestlings?  This is 
clearly not just the usual asynchronous hatching.  I thought perhaps the small 
one could have been brought in as prey from another nest but it seemed to be 
sitting up and alive.  I didn't see anything like this in a quick google search.
Thanks,Peter RuprechtSuperior

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Re: [cobirds] Phoebe Trifecta possible?

2020-04-12 Thread 'Peter Ruprecht' via Colorado Birds

 If you were really lucky at, say, Pueblo Reservoir, you might be able to see 
six grebe species.  Which would be 20 Hat Tricks in one shot!  (I think that's 
right for "six choose three" but my last math class was a long time ago...)

Three loons or three doves would be reasonable to expect there too.
Peter RuprechtSuperior

On Sunday, April 12, 2020, 1:04:06 PM MDT, Curt Brown --- Boulder, CO 
 wrote:  
 
 
Seeing an Eastern Phoebe  this morning (Boulder Creek at 75th St.) got me 
thinking about Trifectas or Hat Tricks.  It is getting more likely each year 
thatsomeone could see the Black, Eastern, and Say’s Phoebes all from the 
samespot.  There are several other Hat Trickspossible, at varying levels of 
difficulty. I’m sure many of us have seen three Jay species together.  Swallows 
(several possible combinations).  Nuthatches (red, white, pygmy)?  Bluebirds 
(east, west, mountain)?  Rosy-finches? Wrens (house, rock, canyon)?   
Longspurs???




We live in an area that makes several Trifectas possiblethat would be 
inconceivable in most parts of the country.  I’m sure there are many additional 
with varyingdegrees of complexity.        -Curt Brown


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Re: [cobirds] Great Horned Owl duet last night

2020-04-05 Thread 'Peter Ruprecht' via Colorado Birds

 I believe that nesting pairs will hoot to each other when they switch 
incubation duties, bring in food, etc.  Usually this hooting is less extensive 
than during courtship and territory establishment.  Do you know if you have a 
nest nearby?

I also occasionally hear hooting at any time of the year, and not necessarily 
in an established territory, so maybe sometimes they're just talking to each 
other ... ?

Peter RuprechtSuperior

On Sunday, April 5, 2020, 6:52:01 AM MDT, David Gulbenkian 
 wrote:  
 
 3:45 - 4:00 AM.  So far past the usual mating time, what might this signify?A 
failed nest, causing the owls to start again?

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[cobirds] Boulder Yellow-bellied Sapsucker still present

2020-01-09 Thread 'Peter Ruprecht' via Colorado Birds

Today I took a look for the rarities that had been reported along South Boulder 
Creek during the Boulder CBC.  The Yellow-bellied Sapsucker was briefly out in 
the open on Old Tale Road a few houses south of Arapahoe.  However, there were 
no blackbirds of any kind, including Rusty, to be seen in the cattle pen along 
Cherryvale near S. Vale Rd. Baseline Res had a few Common Mergansers and Common 
Goldeneyes, and there was a Bald Eagle on the comm tower on Davidson Mesa south 
of Cherryvale.
Peter RuprechtSuperior

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Re: [cobirds] Northern Shrike, Boulder County

2019-12-29 Thread 'Peter Ruprecht' via Colorado Birds

What a thrilling thing to see!
I know this is totally anecdotal, but it's seems like I'm hearing more and more
about shrikes hunting in suburban yards. Maybe in 10 years they'll be here in
town all the time, just like the Cooper's Hawks have converged around the
buffet stations in the suburban forests.
Peter RuprechtSuperior

On Sunday, December 29, 2019, 4:20:40 PM MST, Paula Hansley
wrote:

Wow! I just walked outside and instantly heard the screams of a small bird in
one of my spruce trees. I walked up to the tree expecting to see one of my
Cooper’s Hawks, but a Northern Shrike burst out of the tree clutching a House
Finch within inches of my face! I could still hear the poor finch screaming 1
1/2 blocks away.

Paula Hansley
Louisville

Sent from my iPhone

Re: [cobirds] Re: red necked grebe . baseline res . boulder

2019-10-25 Thread 'Peter Ruprecht' via Colorado Birds

 The reservoir itself and much of the land around it is private, but there is 
suitable viewing from Cherryvale Rd on the west side, and from the trail 
heading SW from the nearby Dry Creek trailhead.  

Also out there this morning were about 20 Western Grebes, about 20 Pied-billed 
Grebes, an immature Bald Eagle trying really hard (but unsuccessfully) to catch 
Coots, and Hooded and Common Mergansers.  Chris Petrizzo found a latish 
Blue-gray Gnatcatcher in the trees on the W side of Cherryvale.

Peter

On Friday, October 25, 2019, 12:50:48 PM MDT, Adam Johnson 
 wrote:  
 
 Baseline Reservoir is private, correct?
Thanks,Adam JohnsonFort Collins
On Friday, October 25, 2019 at 10:46:57 AM UTC-6, Peter Ruprecht wrote:
Looking at a red necked grebe at the north side of Baseline res. A scoter and a 
common loon were here earlier but we don't see them right now. 
Peter Ruprecht , with Chris and Karen

Sent from Yahoo Mail on Android


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[cobirds] red necked grebe . baseline res . boulder

2019-10-25 Thread 'Peter Ruprecht' via Colorado Birds

Looking at a red necked grebe at the north side of Baseline res. A scoter and a 
common loon were here earlier but we don't see them right now. 
Peter Ruprecht , with Chris and Karen

Sent from Yahoo Mail on Android

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Re: [cobirds] help converting eBird JSON data to CSV

2019-06-29 Thread 'Peter Ruprecht' via Colorado Birds

Argh! Why is it always that 10 minutes after you ask for help, you figure out
what the problem was?

Never mind!
Peter

On Saturday, June 29, 2019, 1:46:52 PM MDT, 'Peter Ruprecht' via Colorado
Birds wrote:

Dear techy birders,
I'm compiling data for a local breeding bird survey for which the observation
data has been recorded in eBird. Using the eBird API, I can easily download
all the data for the relevant checklists in JSON format. However, it would be
easier to work with these checklists if they were in CSV format. The python
scripts I have used in the past to convert JSON to CSV don't seem to handle
some of the downloaded checklist files. I could use an online converter,
several of which work great for this data, but there are about 120 checklists
to deal with and that's a lot of cutting and pasting.
So, has anyone ever done this conversion successfully? Please let me know if
you have any suggestions.
Thanks!Peter RuprechtSuperior

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[cobirds] help converting eBird JSON data to CSV

2019-06-29 Thread 'Peter Ruprecht' via Colorado Birds

Dear techy birders,
I'm compiling data for a local breeding bird survey for which the observation 
data has been recorded in eBird.  Using the eBird API, I can easily download 
all the data for the relevant checklists in JSON format.  However, it would be 
easier to work with these checklists if they were in CSV format.  The python 
scripts I have used in the past to convert JSON to CSV don't seem to handle 
some of the downloaded checklist files.  I could use an online converter, 
several of which work great for this data, but there are about 120 checklists 
to deal with and that's a lot of cutting and pasting.
So, has anyone ever done this conversion successfully?  Please let me know if 
you have any suggestions.
Thanks!Peter RuprechtSuperior

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[cobirds] red throated loon Adams

2019-03-15 Thread 'Peter Ruprecht' via Colorado Birds

Viewing a probable red throated loon in winter plumage at 89th Ave pond on s 
Platte river. 
Peter Ruprecht and Chris Petrizzo

Sent from Yahoo Mail on Android

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Re: [cobirds] more than one? Pink-footed Goose, Barnacle Goose

2019-02-04 Thread 'Peter Ruprecht' via Colorado Birds

I have a vague recollection of seeing a large but somewhat blurry flock of
pink geese, but that may have been following an exposure to Wild Turkey, Grey
Goose, and Old Crow. Not sure what it would take to induce an entire flock of
Barnacle Geese, or if they'd be countable under those circumstances.
Peter RuprechtSuperior

On Monday, February 4, 2019, 9:23:12 AM MST, Sandra Laursen
wrote:

Word gets around in the birding world, so I was amused when my parents,
wintering at Port Aransas TX, reported meeting some birders who had recently
spent time in Colorado and talked about seeing "several" Pink-footed Geese and
"hundreds" of Barnacle Geese. As far as I can tell, the discussions on this
list have been talking about repeated sightings of one of each species. So I
am curious if anyone has seen larger numbers of either goose, or if these
sightings got magnified in the re-telling. There are lies, damn lies, and bird
lists

Sandra LaursenBoulder

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Re: [cobirds] Sandhill cranes migrating

2018-10-09 Thread 'Peter Ruprecht' via Colorado Birds

 60-80 just flew SW over NW Superior.  3:15pm.  They were pretty low and 
passing in and out of the cloud cover - very loud and dramatic.
Peter RuprechtSuperior

On Tuesday, October 9, 2018, 2:55:25 PM GMT-6, Luke Pheneger 
 wrote:  
 
 Just had a flock of about 80 Sandhill Cranes fly overhead in SW Longmont.



Luke Pheneger
Longmont


  

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[cobirds] minor rarities, Boulder Co

2018-10-09 Thread 'Peter Ruprecht' via Colorado Birds

During a break in the drizzle today I walked along the Mayhoffer-Singletree and 
Meadowlark trails in Superior.  The east section of the M-S trail up to the 
stone benches had a nice variety of passerines including several that either I 
or eBird thought were unusual: Cassin's Vireo (2), Green-tailed Towhee, Lark 
Sparrow, Clay-colored Sparrow, and Rock Wren (unusual location.)  There were 
also flyby snipes, a Bald Eagle, and about 60 Mountain Bluebirds.  The mixed 
flock that included the vireos also had quite a few warblers flitting 
maddeningly; I only identified Wilson's and Yellow-rumped for sure but got 
glimpses of some that didn't seem quite like either of those.
Anyway, it seems like the crappy weather is good for seeing small birds even in 
locations that are normally only moderately birdy.  And also, if you stop by 
this location keep an eye out for the big bobcat that's been hanging around.

Peter RuprechtSuperior

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[cobirds] Mayhoffer-Singletree (Boulder) - blackpoll warbler etc

2018-05-12 Thread 'Peter Ruprecht' via Colorado Birds

There was a nice variety of resident songbirds and grounded migrants this 
afternoon along the Mayhoffer-Singletree trail in Superior.  
https://ebird.org/hotspot/L2317659  The most interesting for me was a male 
blackpoll warbler, but there were also Swainson's thrushes and several flocks 
of spizella sparrows (mainly clay-colored).  I saw several empids that I 
couldn't exactly identify, though one was probably a least, and the 
tail-dipping one was very likely a gray.  Plus the usual chats, Bullock's 
orioles, and towhees.

Peter RuprechtSuperior

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Re: [cobirds] What do y'all make of this woodpecker?

2018-01-23 Thread 'Peter Ruprecht' via Colorado Birds

That is a neat looking bird! We had one that looked very similar at our house
in Superior several years ago, including the fully brown crown. Aside from the
lack of saguaros in our neighborhood, I convinced myself that it was not a
Gilded due to the round spots on the "thighs", which in theory would be more
oval on a Gilded. The bird in your pic looks like it has round spots. Ours
didn't obviously have narrow bars on the back and shoulders. Unfortunately I
never saw ours side-by-side with a Northern for size comparison.
Wasn't there also a Gilded-looking flicker in Ft. Collins for a few years?
Maybe they do disperse up this way sometimes. Or maybe Gilded-Northern hybrids
provide a means of gene dispersal.

Peter RuprechtSuperior

On Tuesday, January 23, 2018, 1:53:18 PM MST, Ted Floyd
wrote:

Hey, folks. Check out this woodpecker, which I photographed yesterday, Mon.,
Jan. 22, at the Lake Park Open Space, Boulder County:

If this photo were from, oh I dunno, Yuma, Arizona, or somewhere, wouldn't we
call this a male Gilded Flicker? It's got the all-brown crown, the extensive
black tail tips, the big black oval on the breast, the pale back, and of course
the telltale red malar and bright yellow in the wing and tail. I well realize
that we're not in Yuma. But, other than the probabilistic argument, can anybody
talk me away from the ledge of calling this a Gilded Flicker?

Sorry, I have no other photos. When I was in the field, I assumed I was looking
at a Red-shafted x Yellow-shafted. I will say that two impressions struck me at
the time: (1) the truly yellow hues to the wings and tail; (2) a sweetness and
wimpiness about the whirrr flushing call.

Also of interest at the Lake Park Open Space was a flock of 10 Steller's Jays.
This is the same place that for several years was the easternmost outpost in
Boulder County for Woodhouse's Scrub-Jay.

Ted Floyd

Lafayette, Boulder County

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[cobirds] Sandhill cranes, Boulder County

2015-10-16 Thread 'Peter Ruprecht' via Colorado Birds

Several large flocks flew SW over the NW part of Superior at 6:35.  And I hear 
more coming now at 6:42.
Peter RuprechtSuperior

  

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[cobirds] Eastern Towhee - Boulder Co

2014-12-15 Thread 'Peter Ruprecht' via Colorado Birds

Hi cobirders,
I've received a reputable report of a male Eastern Towhee, seen yesterday in 
the Marshall Mesa area by a visiting birder who is well-experienced with the 
species.  He didn't get photos.

The bird's location was described as being just to the north of the Community 
Ditch trail, near a large rock outcrop and in the vicinity of an old fruit 
(apple?) tree.  There was at least one male spotted towhee in the general area 
as well, which provided comparison.
Parking for the Marshall Mesa area is south of Hwy 170 just a little bit east 
of Hwy 93 in far southern Boulder County.  See 
https://bouldercolorado.gov/osmp/marshall-mesa-trailhead.  It gets a lot of 
bike/runner/dog activity so very early mornings might be most conducive to 
finding active birds along the trails.  (Off-trail access on parts of Marshall 
Mesa requires a Boulder Open Space and Mountain Parks Habitat Conservation Area 
permit.)
Peter RuprechtSuperior, CO



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