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Mitochondrial mysteries and splitting-lumping Yellow-rumped Warblers

10,000 Birds

The Yellow-rumped Warbler ( Setophaga coronata ) complex is one of the most abundant and widespread representatives of the New World warbler family in North America, present in many parts of the United States even through the winter months, when the birds feed on small fruits and other foods, including sap. 2011; Milá et al.

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Gulls Simplified: A Gull Book Review

10,000 Birds

Even more than warbler, shorebird, and sparrow identification, this is a field that tests our endurance (gull watching is too often done in bitter cold, windy conditions), patience (even getting one good photo can take hours as you try to separate the ‘interesting gull’ from the flock), observational skills (so many plumages!)

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ACTION ALERT! Tomorrow, MARCH 15, 2011, is the deadline for public.

10,000 Birds

The sandhill crane has the lowest recruitment rate (average number of young birds joining a population each season) of any bird now hunted in North America. Kills in Canada, Alaska and Mexico are not included in the count. Further, the crane take in Mexico is a free-for-all: neither regulated nor recorded. to a high of 11%.

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