Eggs North America South America Species 
10,000 Birds
JUNE 1, 2021
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.
10,000 Birds
DECEMBER 18, 2014
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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10,000 Birds
OCTOBER 8, 2015
The Brown Pelican and the Peruvian Pelican are closely related and once were considered the same species. The Brown Pelican occurs in both the Pacific and Atlantic coasts of North America and northern South America. The species reached pre-pesticide numbers by the late 1990s and was fully delisted in 2009.
10,000 Birds
JUNE 20, 2012
Cliff Swallows migrate to North America from their wintering grounds in South America to nest in large colonies, sometimes numbering in the thousands. It is illegal for any person to take, possess, transport, sell, or purchase them or their parts, such as feathers, nests, or eggs, without a permit.
10,000 Birds
AUGUST 6, 2012
And, I started daydreaming about encountering something a little different, maybe a Horned Frog, Ceratophrys cornuta, a large, squat green and brown frog of South America, with a wide mouth large enough to eat other frogs as well as reptiles. A book about all the frogs and toads of the world is an ambitious undertaking.
10,000 Birds
NOVEMBER 6, 2012
Ridgway himself had 23 species, 10 subspecies, and two genera of birds named for him, including Ridgway’s Hawk.) The team explored Nevada and Utah, with Ridgway collecting thousands of bird specimen, plus nests and eggs for the Smithsonian. Robert Ridgway wrote over 500 articles and 23 books, illustrating many of them himself.
10,000 Birds
MARCH 11, 2011
With a hardiness that belies their delicate looks (but helps explain their phenomenal success), these pioneering pigeons are already sitting on eggs at at least one location in Montana. Especially of all the species that had been introduced to the US. So right now I’m feeling pretty good about Eurasian Collared-doves.
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