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The “Rufa” Red Knot is now protected under the Endangered Species Act

10,000 Birds

Fish and Wildlife Service has listed the “Rufa” population of Red Knot ( Calidris canutus rufa ) as a threatened species under the Endangered Species Act (ESA). The other sub-species, Calidris canutus roselaari , migrates along the Pacific Coast and breeds in Alaska and the Wrangel Island in Russia.

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American Birding Association Field Guide to Birds of Ontario: A Field Guide Review

10,000 Birds

2012), and (4) Waterfowl of Eastern North America, 2nd ed. A description is given of major vocalization/sound of communication, sometimes by transcription, sometimes by catch phrase, sometimes by description (the Ruffed Grouse species account text is totally devoted to a description of its drumming sound and how it is produced).

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Laysan Albatrosses

10,000 Birds

While I often tease Corey about how many albatrosses we have down here in New Zealand, the fact is that the United States has three species of Albatross that breed within its boundaries, albeit one of them only very rarely, and visit the western shores of North America.

Albatross 177
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The Why of Ferrets

10,000 Birds

John Bachmann headed west to gather material for Viviparous Quadrupeds of North America. American scientists, realizing belatedly how embarrassing it was to know so little about a species right in the heart of their own continent, rushed to study this remnant population. But the ferrets kept dying.

Ferrets 188
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Peregrine Falcons at the National Wildlife Refuges

10,000 Birds

I’m sure most of you know that the Peregrine Falcon became an endangered species because of the use of organochlorine pesticides, especially DDT, during the 1950′s, 60′s, and 70′s. They were officially listed as Endangered in 1970 in the U.S. They were officially listed as Endangered in 1970 in the U.S.

Falcons 136
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Rarer than Tigers: the Indian Wild Dog

10,000 Birds

During the Pleistocene, Dholes were found across the Northern Hemisphere, including Europe and North America, sharing their space with sabre-toothed cats. These days, the species shares habitats with Tigers, Snow Leopard, Bears, etc. If they can survive next to such neigbours, how come they are endangered?

Tigers 242
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Listening to Falcons: The Peregrines of Tom Cade

10,000 Birds

And they were the ones who, at the end of the conference, decided to get together and talk about the possibility of breeding Peregrines in captivity as a way of at least saving the species from extinction.” Again, Cade led with solid evidence acquired through his own research.

Falcons 184