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Ringing in the new breeding season

10,000 Birds

But another race of Red Knot make the High Arctic their home, the species that winters in the United Kingdom and coast of France, ssp islandica. Conventionally this race is thought to breed in Greenland and the High Arctic Archipelago, which lies still further north of me. Birds Arctic Canada shorebirds'

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Second Atlas of Breeding Birds in Pennsylvania: A Review by an Atlas Novice

10,000 Birds

A breeding bird atlas is a special kind of book. Corey did just this in this 2011 posting about Vesper Sparrow Pooecetes gramineus in New York State. They utilized GIS (geographic information systems) technology to pinpoint breeding bird location to a level far beyond the usual block-based geographic model.

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Swainson’s Hawks in Plumas County

10,000 Birds

The last time I visited Portola was in the summer of 2011 when the Swainson’s Hawks ( Buteo swainsoni ) were nesting there. They are listed as a Species of Special Concern in Utah, Nevada, Oregon, and Washington, and as Threatened in California. This is the painting of the species by John James Audubon in the early 1800′s.

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One Last Wood-Warbler Week Post

10,000 Birds

Wood-Warbler Week is finally over for 2011. What species is shown? And, as a bonus question, from what blog post on 10,000 Birds is the picture taken? ———————————————————————————————————————————————— This week, 8 May – 14 May 2011, is Wood-Warbler Week on 10,000 Birds! Will it come back in 2012? Below is the logo.

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Iceland Gull Larus glaucoides

10,000 Birds

Iceland Gulls do not breed in Iceland. They do winter there, as well as in northern parts of Europe, in eastern and central Canada, and across the northeastern and central United States, but like many other birds named after places they essentially have a misnomer.

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What does the Keystone XL Pipeline have to do with Birds?

10,000 Birds

Clicking on the map will take you to an explanation of this important biome, including its climate and its plant and animal species. All four major flyways in North America — the aerial migration routes traveled by billions of birds each year — converge in one spot in Canada’s boreal forest, the Peace-Athabasca Delta in northeastern Alberta.

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Mitochondrial mysteries and splitting-lumping Yellow-rumped Warblers

10,000 Birds

There are four generally recognized groups within the complex, “ Myrtle ” ( coronata ) of eastern and northern North America, “ Audubon’s ” ( auduboni ) of the western United States and western Canada, “ Black-fronted ” ( nigrifrons ) of Mexico, and “ Goldman’s ” ( goldmani ) of Guatemala.