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Showing results 1 to 25 of 1000
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Search: Posts Made By: Kratter
Forum: Bird Identification Q&A Tuesday 8th September 2020, 14:32
Replies: 6
Views: 361
Posted By Kratter
Female Hooded Warbler? They can a little black on...

Female Hooded Warbler? They can a little black on crown, are often near or on ground. You often see them flicking their tail, which has lots of white on the inner webs of the outer tail...
Forum: Bird Identification Q&A Tuesday 8th September 2020, 14:29
Replies: 4
Views: 152
Posted By Kratter
10 Hermit Thrush looks good. Swainson's has...

10 Hermit Thrush looks good. Swainson's has spotting below more restricted to breast.
2) Savannah Sparrow

Andy
Forum: Bird Identification Q&A Wednesday 19th August 2020, 15:49
Replies: 7
Views: 195
Posted By Kratter
I think Bushtit. Head feathers are molting,...

I think Bushtit. Head feathers are molting, making the bill look bigger. Wrentit has a longer tail, more brownish tones, and it would be quite unusual to pose vertically like this - they almost...
Forum: Bird Identification Q&A Friday 14th August 2020, 17:57
Replies: 5
Views: 207
Posted By Kratter
Agree with Pine Warbler. Also, the tail is quite...

Agree with Pine Warbler. Also, the tail is quite long, the body bulky, and look at that tree it's in!

Andy
Forum: Bird Identification Q&A Monday 10th August 2020, 19:53
Replies: 8
Views: 197
Posted By Kratter
To me, better for a Marsh Wren. Plain unstreaked...

To me, better for a Marsh Wren. Plain unstreaked cap, median and lesser coverts unbarred, wider barring on tail.

Andy
Forum: Bird Taxonomy and Nomenclature Wednesday 22nd July 2020, 14:44
Replies: 16
Views: 3,808
Posted By Kratter
When using small samples of the genome,...

When using small samples of the genome, (especially haploid markers like mtDNA) morphology and genetics are rarely going to align at the subspecies level, unless populations have been separate for...
Forum: Bird Identification Q&A Wednesday 22nd July 2020, 14:07
Replies: 15
Views: 789
Posted By Kratter
I have been doing crossword puzzles for decades,...

I have been doing crossword puzzles for decades, and erne (had sometimes ern) is a common bit of "crosswordese" junk used to fill grids. But I have never seen anyone use the term out of the...
Forum: Bird Taxonomy and Nomenclature Wednesday 22nd July 2020, 13:57
Replies: 16
Views: 3,808
Posted By Kratter
Not necessarily. A reproductively isolating...

Not necessarily. A reproductively isolating morphological trait could spread through a population quite quickly, while the mtDNA lags behind for 1000s of generations.

Andy
Forum: Bird Taxonomy and Nomenclature Tuesday 30th June 2020, 19:48
Replies: 3
Views: 630
Posted By Kratter
AOS 61st supplement

AOS 61st supplement is out:
https://academic.oup.com/auk/article/doi/10.1093/auk/ukaa030/5865308
Forum: Bird Taxonomy and Nomenclature Tuesday 30th June 2020, 19:46
Replies: 225
Views: 19,310
Posted By Kratter
Where has it been written that McCown was a...

Where has it been written that McCown was a "slave trader?" In the rather wide reading of his history by the NACC, he never owned slaves (let alone "traded"), he lived in a part of Tennessee that...
Forum: Birds & Birding Monday 29th June 2020, 13:55
Replies: 28
Views: 1,071
Posted By Kratter
Completely different forging strategy, reflected...

Completely different forging strategy, reflected in their wing shape. Nighthawks are superb at aerial maneuvering, as they chase flying insects. If it is a cloudy day, and insects are flying low,...
Forum: Bird Identification Q&A Sunday 31st May 2020, 20:33
Replies: 4
Views: 192
Posted By Kratter
Mississippi Kite adult Andy

Mississippi Kite adult

Andy
Forum: Bird Identification Q&A Thursday 28th May 2020, 20:30
Replies: 8
Views: 381
Posted By Kratter
The upper wingbar on pewees are usually much less...

The upper wingbar on pewees are usually much less distinctive than the lower one, especially in Westerns. This looks like a Willow/Alder Flycatcher.

Andy
Forum: Bird Identification Q&A Friday 22nd May 2020, 16:11
Replies: 1
Views: 147
Posted By Kratter
I think all are Common Terns. If you enlarge, you...

I think all are Common Terns. If you enlarge, you can see that the outer web of the tail feathers is dark and inner web light. Forester's has the opposite pattern, dark inner web and light outer web....
Forum: Bird Identification Q&A Friday 22nd May 2020, 13:47
Replies: 12
Views: 588
Posted By Kratter
Agree with Bell's Vireo The strong lower wingbar...

Agree with Bell's Vireo The strong lower wingbar and less distinct upper wingbar is classic. This could be an Eastern Bell's, which occurs as a vagrant to Arizona (two records in eBird).

Andy
Forum: Bird Identification Q&A Thursday 14th May 2020, 19:23
Replies: 5
Views: 232
Posted By Kratter
Agree with Least

Agree with Least
Forum: Bird Identification Q&A Sunday 26th April 2020, 18:01
Replies: 16
Views: 885
Posted By Kratter
Common Yellowthroat, the pale belly is a good...

Common Yellowthroat, the pale belly is a good mark. Mourning is entirly bright yellow bellow.

Andy
Forum: Bird Identification Q&A Saturday 4th April 2020, 20:08
Replies: 7
Views: 432
Posted By Kratter
Only in Juvenile plumage in early fall. Andy

Only in Juvenile plumage in early fall.

Andy
Forum: Bird Identification Q&A Saturday 4th April 2020, 20:05
Replies: 6
Views: 383
Posted By Kratter
Looks a bit dark for Vaux's. How about Chimney ?...

Looks a bit dark for Vaux's. How about Chimney ? The last photo show the bulging inner primaries that Sibley says is a good character for separating Chimney from Vaux's.

Andy
Forum: Bird Identification Q&A Monday 30th March 2020, 01:54
Replies: 7
Views: 316
Posted By Kratter
The short primary projection indicates resident...

The short primary projection indicates resident Mangrove. Migratory aestiva Yellows have quite long wings.

Andy
Forum: Bird Taxonomy and Nomenclature Thursday 26th March 2020, 13:59
Replies: 95
Views: 10,748
Posted By Kratter
The FOSRC is on the third round of voting for the...

The FOSRC is on the third round of voting for the submission to add the House Crow to the State List. Votes of 7/7 or 6/7 pass, 0/7 or 1/7 to not be accepted. Otherwise back on the docket it...
Forum: Bird Identification Q&A Tuesday 24th March 2020, 00:03
Replies: 3
Views: 213
Posted By Kratter
Agree with all Forster's. The lighting/exposure...

Agree with all Forster's. The lighting/exposure is making the upperpart grays look much darker than normal. Forster's s the only small tern with gray inner webs and white outer webs in the outer...
Forum: Bird Identification Q&A Sunday 22nd March 2020, 10:28
Replies: 3
Views: 235
Posted By Kratter
Western Wood Pewee. Long wide bill, wing bars,...

Western Wood Pewee. Long wide bill, wing bars, mostly blackish bill.
Andy
Forum: Bird Identification Q&A Wednesday 18th March 2020, 02:15
Replies: 5
Views: 238
Posted By Kratter
The gray face and breast and contrasting white...

The gray face and breast and contrasting white malar indicates Cassin’s Kingbird.
Andy
Forum: Bird Identification Q&A Tuesday 10th March 2020, 20:10
Replies: 13
Views: 469
Posted By Kratter
All depends on availability of their prey: apple...

All depends on availability of their prey: apple snails. Probably way too dry in Lima area (average 6 mm year rainfall/year) for apple snails. Western Ecuador is much much much wetter, over 1000 mm...
Showing results 1 to 25 of 1000
 


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