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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.

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Flight Paths: A Book Review Written During Migration

10,000 Birds

I am not sure if this is totally true in the widest sense, especially when it comes to the question of WHY birds migrate (I’m asked this question constantly by beginning birders and would love an answer that doesn’t involve a garble of words about magnetic fields, genetics, and scarcity of resources). Geological Survey.

Science 200
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The Ross Sea – the Last Intact Marine Ecosystem on Earth – and I

10,000 Birds

In July 2013, the Commission for the Conservation of Antarctic Marine Living Resources held a meeting in Bremerhaven in Germany, to decide whether to turn the Ross Sea into a marine protected area. There are 11 species of birds that breed in the Ross Sea region. The region is also a major habitat for petrels. And the Mammals.

Russia 181
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Birding Sukau, Sabah, Borneo

10,000 Birds

Apparently, when breeding, the two parents divide incubation duties, with one bird taking over the daytime duties and another one the nighttime. They frequently reuse nest holes, thus saving vital natural resources even though cleaning out the used nest hole takes about one week ( source ). One nice little story for my blog post lost.

Birds 230
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Birding Nanhui, Shanghai in November 2021

10,000 Birds

Great Cormorants can immerse into the water much more deeply than ducks, as their feathers are not waterproof … … but unfortunately, that requires some feather drying time afterward, which looks kind of stupid (yes, it is kid’s science hour at Kai’s bird blog …).

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How to Know the Birds: The Art and Adventure of Birding – A Book Review

10,000 Birds

But, it’s more than that, because each essay also includes “a big idea, a method or technique or resource, about bird study in our age” (p. How to Know the Birds talks about 200 commonly found birds in North America (including one extinct bird, the Passenger Pigeon) in 200 brief essays, each exactly one page long.

Birds 115
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The Wonderfulness of Local Field Guides: Reviews of ABA Field Guide to Birds of Maine & Birding Guide to the Greater Pasadena Area

10,000 Birds

we learn) that are home to coveted boreal species, breeding wood-warblers, and two species of Grouse. There is no place that compares to Maine with its rocky shorelines, freezing waters populated by wintering alcids, offshore islands filled with nesting Atlantic Puffins, mixed and boreal forests (the most forested state in the U.S.,