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A Problem with Gulls

10,000 Birds

Collectively, they’re referred to as the Herring Gull complex. References in original]: [T]he taxa regarded by Mayr as subspecies of these two are now regarded as distinct enough to be regarded as separate species. argentatus as reference. This wiki looks good too.] michahellis. michahellis Caspian gull L.

2011 157
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Half Hardy

10,000 Birds

The vast majority of Baltimore Orioles that breed in North America return to the tropics between Mexico and northern South America for the cold half of the year. OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more! Instead I saw a flash of orange.

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Polygynandry and avian swingers

10,000 Birds

Nice. ((** all names have been changed to protect identities and have been substituted with (almost) randomly chosen substitutes suitable for a family of Alpine Accentors.)) And their Facebook status is always stuck on “its complicated&# – a stable marriage of three males and two females. Journal of Ornithology 137 (1): 35-51 N.

2011 225