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Gray Flycatcher at Sunol
San Benito Mountain? Yes, that must be what Stokes and Sibley have outlined as summer presence of the gray flycatcher. It's south of the "Bay Area" isn't it? So, yes, that must be what I was referring
San Benito Mountain? Yes, that must be what Stokes and Sibley have outlined as summer presence of the gray flycatcher. It's south of the "Bay Area" isn't it? So, yes, that must be what I was referring
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David Yeamans
· #15244
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Gray Flycatcher at Sunol
Tail flicking is a rather confusing term. I took pains to describe it in a previous post, but briefly from my observations of gray flycatchers where dusky and Hammond's are also present, the gray slow
Tail flicking is a rather confusing term. I took pains to describe it in a previous post, but briefly from my observations of gray flycatchers where dusky and Hammond's are also present, the gray slow
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By
David Yeamans
· #15243
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Gray Flycatcher at Sunol
My superpower is to hold still for long periods of time. That suits my decaying ankle joints and patulous retinaculum just fine, and it's how I came to know today's empidonax (sp) as the gray flycatch
My superpower is to hold still for long periods of time. That suits my decaying ankle joints and patulous retinaculum just fine, and it's how I came to know today's empidonax (sp) as the gray flycatch
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David Yeamans
· #15234
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Upcoming tricolored blackbird survey
The first statewide triennial tricolored blackbird (TRBL) survey in five years will be done April 15-17, 2022. I've been pressed into service for that and have continued my scouting of a colony at mil
The first statewide triennial tricolored blackbird (TRBL) survey in five years will be done April 15-17, 2022. I've been pressed into service for that and have continued my scouting of a colony at mil
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David Yeamans
· #15205
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Tricolored blackbird silence
The colony I described last week as a mosh pit and party has heard that it's closing time at the bar and the pairs (or promiscuous triads) have gone nearly silent and invisible as nest construction, e
The colony I described last week as a mosh pit and party has heard that it's closing time at the bar and the pairs (or promiscuous triads) have gone nearly silent and invisible as nest construction, e
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David Yeamans
· #15196
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700 Tricolored Blackbirds -- second day of stakeout
I found a colony of TRBL at Patterson Pass Road milepost 1.69 yesterday and watched them for an hour. Today I went back and watched for 2hr38min in overcast skies and only a 5-minute rain. Field notes
I found a colony of TRBL at Patterson Pass Road milepost 1.69 yesterday and watched them for an hour. Today I went back and watched for 2hr38min in overcast skies and only a 5-minute rain. Field notes
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David Yeamans
· #15157
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Sycamore Grove Herons and such
Today's 0700 to 0900 walk at Sycamore Grove Park in Livermore gave me a few treats. Two GREAT BLUE HERONs interacted mid air and I got photos of the session. It seems to me that the one originally per
Today's 0700 to 0900 walk at Sycamore Grove Park in Livermore gave me a few treats. Two GREAT BLUE HERONs interacted mid air and I got photos of the session. It seems to me that the one originally per
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David Yeamans
· #15141
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Ravens in Berkeley
A note on identifying birds in photos: I'm not as good at it as some people are. I seem to get more reliable clues from live birds in the field. Photos pick only a single pose and often foreshorten fe
A note on identifying birds in photos: I'm not as good at it as some people are. I seem to get more reliable clues from live birds in the field. Photos pick only a single pose and often foreshorten fe
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David Yeamans
· #15086
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Ravens in Berkeley
Claude, I'm sure you meant common raven, not American raven. Yes, the bird on the right in your photo is a common raven. I think the left hand bird is an American crow based on the shorter length of t
Claude, I'm sure you meant common raven, not American raven. Yes, the bird on the right in your photo is a common raven. I think the left hand bird is an American crow based on the shorter length of t
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David Yeamans
· #15085
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Alameda County bay side areas today
I wanted to capitalize on high tide and early morning light at the Emeryville Marina, especially the high tide roost. The roost was, as always, packed with dunlins, willets, and marbled godwits. Jim C
I wanted to capitalize on high tide and early morning light at the Emeryville Marina, especially the high tide roost. The roost was, as always, packed with dunlins, willets, and marbled godwits. Jim C
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David Yeamans
· #15063
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Wandering Tattlers at Cesar Chavez
Friday, 2021-10-01, Rosmarie Richardson and I went to Cesar Chavez Park and then Elsie Roemer Bird Sanctuary for my first foray in close to four months -- it's too hot for me otherwise. We walked alon
Friday, 2021-10-01, Rosmarie Richardson and I went to Cesar Chavez Park and then Elsie Roemer Bird Sanctuary for my first foray in close to four months -- it's too hot for me otherwise. We walked alon
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David Yeamans
· #14782
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Distinguishing Townsend's/Hermit hybrids?
Alan Bade, thanks for the checklist and its photos although I cannot contribute to the discussion about hybrids. I appreciate seeing birds from one of my favorite places. I didn't know about Red Seep
Alan Bade, thanks for the checklist and its photos although I cannot contribute to the discussion about hybrids. I appreciate seeing birds from one of my favorite places. I didn't know about Red Seep
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David Yeamans
· #14747
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locked
Carnegie SRVA / Tesla Park
Thank you, Marcus for educating us on the status of the OHV lands which Alex mentioned. I have two bits to add. Where I practiced my environmental sciences, the off-highway parks would be called sacri
Thank you, Marcus for educating us on the status of the OHV lands which Alex mentioned. I have two bits to add. Where I practiced my environmental sciences, the off-highway parks would be called sacri
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David Yeamans
· #14603
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Post breeding dispersal is here
At my tiny bird habitat I am seeing birds now that don't come frequently but they do come sometimes after there is no need to stay near their former nest. The juvenile juncos, house finches, Anna's hu
At my tiny bird habitat I am seeing birds now that don't come frequently but they do come sometimes after there is no need to stay near their former nest. The juvenile juncos, house finches, Anna's hu
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David Yeamans
· #14598
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First Rufous Hummingbird of the season
My first observation in July (in LIvermore) of a rufous hummingbird was today. It perched near my water feature about 6 feet from my window for long periods of time and briefly hovered at the water, l
My first observation in July (in LIvermore) of a rufous hummingbird was today. It perched near my water feature about 6 feet from my window for long periods of time and briefly hovered at the water, l
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David Yeamans
· #14590
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Observations from the Lazy Wye Naught -- finches
On my 60 square feet of the Republic of California the house finch juveniles are sprouting the expected "horns" on their heads. It must be something like a "first pre-basic molt." Sometimes I've been
On my 60 square feet of the Republic of California the house finch juveniles are sprouting the expected "horns" on their heads. It must be something like a "first pre-basic molt." Sometimes I've been
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David Yeamans
· #14477
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White-crowned sparrows left last night
As anticipated a sudden departure of white-crowned sparrows occurred last night. Evidence is from my limited feeding station and from Sycamore Grove Park. None were there whereas the day before there
As anticipated a sudden departure of white-crowned sparrows occurred last night. Evidence is from my limited feeding station and from Sycamore Grove Park. None were there whereas the day before there
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David Yeamans
· #14368
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Band-tailed Pigeons in Eastern Alameda
Thank you Alex for correcting one of my impressions. My GISS (general impression of size and shape -- also including behaviors) was incorrect, even with a photo. I thought I could tell the difference
Thank you Alex for correcting one of my impressions. My GISS (general impression of size and shape -- also including behaviors) was incorrect, even with a photo. I thought I could tell the difference
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David Yeamans
· #14295
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Problematic ID Lincoln's Sparrow at Pacific Commons 2021-03-04
Thank you for your expert help. I have changed the ID on my checklist to reflect the truth. Dave Yeamans ********************* That is best for us which is best for our souls. [Matthew Henry] ********
Thank you for your expert help. I have changed the ID on my checklist to reflect the truth. Dave Yeamans ********************* That is best for us which is best for our souls. [Matthew Henry] ********
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David Yeamans
· #14275
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Problematic ID Lincoln's Sparrow at Pacific Commons 2021-03-04
In this checklist https://ebird.org/checklist/S82749997 I included two photos of a sparrow I have called Lincoln's sparrow. It could be mistaken for a swamp sparrow given that Sibley says the two as i
In this checklist https://ebird.org/checklist/S82749997 I included two photos of a sparrow I have called Lincoln's sparrow. It could be mistaken for a swamp sparrow given that Sibley says the two as i
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David Yeamans
· #14271
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