Animal behavior: an evolutionary approach

ability activity adaptive adult allele animals anole ants bees behavior benefits birds black-headed gull bluegill brain breeding burrow butterfly cells chance Chapter colony Color cooperation copulate courtship cues cycle damselfly defense detect developmental display ecological effects eggs environment evolution evolutionary evolved example experience favor feeding female's fertilize Figure flies foraging gametes genes genetic genotype gulls habitat hive honeybee hormonal human hypothesis inclusive fitness individuals infanticide insect interactions kin selection kittiwake larvae living male's males and females mate monogamy moth nectar nervous system nest neural neurons offspring parental pattern Photograph physiological polyandry polygyny population potential predators prediction prey produce progeny rats reared receptive receptors relatively reproductive success response result selection sensory sexual sexual reproduction sexual selection signals slug snakes social Sociobiology song sounds species sperm stimulation survival territory testosterone toad traits wasp white-crowned sparrow wings workers young