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Vagrancy in Birds: A Book Review

10,000 Birds

Less and Gilroy sort through the exogenous (external) and endogenous (internal) factors thought to cause vagrancy and the scientific experiments that have sought to prove their significance with patience and plain language as well as charts and photographs. internal compasses tied to the earth’s magnetic fields? Princeton Univ.

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Spring is for Wheatears

10,000 Birds

Birders from Western Europe will surely note, upon seeing Black-eared Wheatear here, the difference between this Eastern race and the Western race that they may have seen in Spain or France. OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more! Thanks for visiting!

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Beautiful Blue Backyard Bird

10,000 Birds

home about advertise archives birds conservation contact galleries links reviews subscribe Browse: Home / Birds / Beautiful Blue Backyard Bird Beautiful Blue Backyard Bird By Jochen • March 10, 2011 • 9 comments Tweet Share There is a lot of whining associated with colours and Europe’s birds. Nice piercing, dude!

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