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Unformatted text preview: BSCI 106 Fall 2009 p.1 Dr. Sara Via Lecture 2: Behavioral Ecology-- Communication and Migration Visual Communication (cont) d. Active visual communication -threat displays OR SUBMISSIVE displays -courtship displays/ dances or performances sage grouse, woodcock -species recognition -firefly blink pattern e. Active- food finding: Dance language of honeybees i. Round dance -food < 10M, pass observers a taste- no directionsits close and tastes like this ii. Waggle Dance food > 10M -food location encoded in waggle angle from sun, where up represents sun -If bee dances straight up, it means -Length of waggle = distance f. Visual Communication (+ / -) -short-range -instantaneous -doesnt alert predators (usually) -useless for animals with poor eyesight -useless in dark (except fireflies) -useless in dense vegetation -receiver must be watching J. Communication with Sound a. Mating calls- mate finding Species recognition b. downside--Mating calls may attract predators c. Warning calls...
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This note was uploaded on 10/05/2009 for the course BSCI 106 taught by Professor Porter during the Fall '08 term at Maryland.
- Fall '08