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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.

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Happy Global Big Day from Costa Rica!

10,000 Birds

How can we say that magic is a farce when the May blossoms are backdropping bright, breeding plumaged Canadas , Magnolias , Chestnut-sideds , chocolate Bay-breasteds , and Rose-breasted Grosbeaks ? When we scuff our knees and test the resiliency of our joints to peer into a bush at a Swainson’s Warbler in an urban park?

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Vote Now for Awesome Ornithology Projects!

10,000 Birds

Juncos breed in much of the U.S. and Canada but they are also a frequent feeder bird during the winter months. A junco thermoregulating in a snow bank. Thus, birds in the hybrid zone have the morphology and genetic background of White-collared Manakin, but the plumage colors of Golden-collared.

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Domestic or Ganky Geese

10,000 Birds

Like manky mallards, ganky geese display remarkable variety due to both the methodical manipulations of breeders and the variable volatility of the more natural kind of breeding. RENEE LARRY Mar 7th, 2011 at 12:18 pm I SAW THIS GOOSE IN HERSHEY PA, THOUGHT IT WAS A LEUCISTIC CANADA GOOSE. HERE’S THE LINK TO THE PICTURE.

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

10,000 Birds

Kills in Canada, Alaska and Mexico are not included in the count. They reach breeding maturity at four to seven years of age, produce only one chick per nesting season, and only one in three offspring survive to fledging age. The Sandhill Crane is no different than the Aleutian strain of Canada goose.

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Bonus Season – Late Winter

10,000 Birds

Black-capped Chickadees , Song Sparrows , and Dark-eyed Juncos start testing their breeding songs as well, though they have a longer wait before things get serious. A pair of Bald Eagles scopes out the Clark Fork for likely snags. And that season is coming to meet them.