Anatomical insights into how owls can rotate their heads 270 degrees without passing out:
http://www.hopkinsmedicine.org/news/media/releases/owl_mystery_unraveled_scientists_explain_how_bird_can_rotate_its_head_without_cutting_off_blood_supply_to_brain
Janet Millenson Potomac, MD (Montgomery County) <janet...> ---------------------------------------------------------------- "Look at the birds!" -- Pascal the parrot
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