BIOL 1902 Lecture Notes - Lecture 5: Snowshoe Hare, American Bittern, Astringent
9 Sep 2017
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Document Summary
Beavers detect sound but do not have large ears because it will affect their swimming ability. Snakes cannot hear, but they can feel vibrations through the ground. Snakes have enhanced power of smell / taste. Scents are analyzed in the jacobson"s organ. Moose have excellent olfactory sense, large snout which houses lots of sensory cells and a jacobson"s organ. Vomeronasal organ refers to nose and mouth = jacobson"s organ. Mammals expose the jacobson"s organ by flemen. Snowshoe hare has eyes on side of head to provide large view of surroundings. Mallard has eyes on side of head, total field of view = 360 degrees. Eyes in the front of face allow for better depth perception. Beaver has all sensory organs at top of the head. American woodcock has eyes at the back top of its head. American bittern eyes are in base of beak to see ahead while beak pointing up, cannot see behind.
