America Breeding Groups Research 
10,000 Birds
JUNE 1, 2021
And now we have the third iteration in Audubon’s guide book history: National Audubon Society Birds of North America. The National Audubon Society Birds of North America covers all species seen in mainland United States, Canada and Baja California. I didn’t.). This is a fairly large book: 907 pages; 7.38 GUIDE COVERAGE.
10,000 Birds
NOVEMBER 6, 2018
It actually makes a lot of sense, the geographic features of the isthmus between North America (including Mexico, because Mexico is part of North America) and South America cut across political lines, as do birds. It is the first bird field guide to every country of Central America (plus the islands governed by those countries).
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10,000 Birds
JULY 15, 2021
Further on, the Introduction deals with history of ornithological research in Colombia (including those aforementioned shipments), climate, topographic regions (7, from the Caribbean to white-sand soils), vegetation zones (11, from desert scrub to paramo) and habitats (29, from terra firme forest to ranchland and cultivated areas).
10,000 Birds
MAY 20, 2020
That still leaves 11 Warblers that breed in Michoacán. Like the Common Yellowthroat , the Yellow Warbler breeds no further south than the central Mexican highlands. I must admit that I had the idea the Grace’s Warbler , common in our pine forests, were also at the southern edge of their breeding range here.
10,000 Birds
OCTOBER 6, 2015
Here are some things I’ve learned from the Peterson Reference Guide to Owls of North America and the Caribbean by Scott Weidensaul: The Burrowing Owl is the only North American owl species where the male is larger than the female, albeit, only slightly larger. And the term is ‘non-reversed size dimorphism.’).
10,000 Birds
APRIL 2, 2019
So, I was very excited when I heard that Rick Wright was writing a book about sparrows, the first treatment of North American sparrows since 2001, possibly the first book about sparrows of North America, depending on your definition of that geographic area. They’re all birds of North America! Mexico border. Read the Introduction!
10,000 Birds
DECEMBER 5, 2017
The point is, the field guide I grabbed without hesitation was the National Geographic Field Guide to the Birds of North America, 7th Edition by Jon L. North America is defined as from north of the Mexican border to the far north, plus “adjacent islands and seas within 200 nautical miles off the coast or offshore islands.”
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