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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

Pough “with illustrations in color of every species” by Don Eckelberry, Doubleday, 1946. And now we have the third iteration in Audubon’s guide book history: National Audubon Society Birds of North America. The press material says it covers over 800 species, so you know I had to do a count. SPECIES ACCOUNTS.

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A Fierce Cartoon Bird: Steller’s Sea Eagle on Hokkaido

10,000 Birds

The species is listed as Vulnerable – the estimated number of individuals is 4600-5100 (HBW), of which about 2000 winter on Hokkaido. But marrying a widow and thus getting access to scientific information was not the only remarkable event in his life. Where is the movie about his life then? Back to the eagle.

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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. A wonderful variety of bird species are waiting to be seen and among them are many a birder’s favorite avian group, the wood-warblers. In the birding world, May is the beautiful time. Great Green Macaw!

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Birding Sepilok, Borneo (Part 2)

10,000 Birds

It feels good to start a post with some truly attractive birds – such as two species of broadbills. Strangely, there do not seem to be many papers on this species. In one paper , you can find fascinating sentences such as “The new species is most similar to D. You can see why here.

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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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Migrants are on the Move in Costa Rica

10,000 Birds

It’s also a big time for bird movements, a period punctuated by waves of migrants, first the early ones, then a time of many species, and finally, those last “late” migrants moving north. While our winter residents bulk up to head north, they are joined by other species coming from South America.

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Fall Migration in Costa Rica- Six Things I Have Learned

10,000 Birds

It’s a protracted event, one that begins with waders, Willow Flycatchers , and other first birds on the move to the south. This being an uncommon species in upstate New York, I appreciate having an abundance of Cliff Swallows to look at. It picks up in September but the biggest numbers seem to pass through Costa Rica in October.