Hi there. I have been birding most of my life and am currently a grad student working on a bird migration study. "A bird does not sing because it has an answer. It sings because it has a song."
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Crâne de Buse variable / Common Buzzard Skull (Buteo buteo) by JC-Osteo on Flickr.
Please note the general thinness of the bones and the openings, which also decrease the weight of the skull. Birds have some amazing adaptations for flight.
(via mentalfornication)
