sexual selection - Sexual Selection Video Case Study Bower...

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Sexual Selection Video Case Study Bower Birds Males combine bowers/homes with a display to encourage her to mate Females are dull in color sexual dimorphism Bower birds scavenge what they can for their bowers from their immediate environment Choosy females drive the evolution of extreme traits in males males then collect only blue objects as females are attracted to blue objects Birds of Paradise Many types (up to 40), each with a different display technique Reproductive success depends on the display, plumage color, extravagant physical features Wandering Albatross Treks on long journey to bring squid for young Male and the female do this Strength, wing span, monogamy, ability to get food (mentally and physically fit with good nutrition) are all traits that are selected for by the female Plumed Bird of Paradise Young male birds come to areas cleared by adults to practice displays
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This note was uploaded on 12/22/2010 for the course BIOL 152 taught by Professor Havelka during the Fall '09 term at University of Toronto- Toronto.

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sexual selection - Sexual Selection Video Case Study Bower...

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