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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

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.

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Heermann’s Gull: Near Threatened

10,000 Birds

Heermann’s Gulls form large breeding colonies on arid islands in the Gulf of California, Mexico, from March through July. The largest colony exists on Isla Raza, where an estimated 90–95% of the total world population breeds 1. This photo by Basar from Wikipedia Commons shows the adult in breeding plumage. www.youtube.com/watch?v=FUBX_tlHySc.

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How to Help Cerulean Warblers, Other Migrant Species, and Resident Birds in Costa Rica

10,000 Birds

With birds bedecked in their breeding best and filling the air with song, this is migration at its loveliest. Threatened by loss of habitat both on breeding as well as wintering grounds, a few species have even become endangered or at least on a perilous track towards that worrisome designation.

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Potpourri of Amazing Bird Science

10,000 Birds

If this was America, we might not be concerned because starlings are an invasive species, at least in North America. Researchers are wondering if the die-off might spread to other birds or even fish. This is not something I needed to tell you but there is some new research. Since then the deaths haven’t stopped.

Science 151
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Birding Sepilok, Borneo (Part 2)

10,000 Birds

In the non-breeding season, male Baya Weavers sometimes enter the basket-making trade, often with considerable success. Meanwhile, the females seem to have a much more relaxing life, at least in this early stage of the breeding season. I am sure one could make a very boring movie based on the events described in this paper.

Birds 221
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The Hidden Qualities of House Sparrows

10,000 Birds

Birders in the Americas may not be aware of it, but from the higher ground of a European perspective the American “warblers” are intensely overrated. Then there is the fact that indicus sparrows tend to avoid human habitations while domesticus doesn’t, leading to sympatric breeding with a disputed amount of hybridisation.

Sparrows 223
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Birds In a Changing Climate: A Primer

10,000 Birds

Many species that are currently common may stay that way, and some species will likely increase…and hopefully species besides House Sparrows , European Starlings , Rock Pigeons and Eurasian Collared-Doves , which those in North America know as the four avian horsemen of the apocalypse. Whats in it for birds? It’s that simple.