Adoptable Groups Research Species 
10,000 Birds
DECEMBER 22, 2022
It is not particularly big but has a reported 430 bird species including migrants, though during my short stay it seems I missed most of the key attractions among them. In three cases of adoption the common factor was that the adopting individual was sexually attracted to one of the real parents of the young.
10,000 Birds
SEPTEMBER 8, 2023
An associated issue is that the Belize and Costa Rica guides share many of the same descriptions of species, written by Howell. Similarly, descriptions of species repeated across volumes do not lose their accuracy with each publication. Other species are splits and lumped and have had their names changed. Why are these issues?
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10,000 Birds
MARCH 17, 2013
New World populations of the widely distributed Sandwich Tern ( Thalasseus sandvicensis ) are treated by some authorities (including the British Ornithologists’ Union) as a distinct species: Cabot’s Tern ( T. Proposal 2013-A-3 recommends adopting that split on the basis of a 2009 study (I wrote about it back in the day here ).
10,000 Birds
APRIL 2, 2019
I like observing them, reading about them, grappling with species and subspecies identification, and even—on a good day—talking about sparrow taxonomy. Peterson Reference Guide to Sparrows of North America covers 61 species of the New World sparrow family Passerellidae that breed in Canada, the United States, and northern Mexico.
10,000 Birds
NOVEMBER 3, 2015
birders have been able to visit Cuba as part of survey groups and cultural exchanges for years, but those trips have been few in number and not always easy to find. Navarro’s exceptional drawings illustrate the species accounts. Forty-eight species. Cuban Trogon, the national bird who wears the colors of the Cuban flag!
10,000 Birds
MAY 5, 2015
Birding by Impression is a conscious, deliberate method of identifying and recognizing birds based on the study and evaluation of “distinctive structural features and behavioral movements” and comparison with nearby and similar species. It is not a handbook, though it approaches species from a collective viewpoint. So say Kevin T.
10,000 Birds
JANUARY 7, 2014
It’s relatively easy to classify birds into family groups based on physical characteristics. We sing about them, we paint them, we use them as mythic and poetic symbols for our spiritual and emotional feelings, we wear them in myriad and often colorful ways, we adopt them as household pets. Eagles are national symbols of the U.S.,
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