Animal Behavior: An Evolutionary Approach |
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Page 324
... bluegill , and as a result his eggs are twice as likely to be eaten by a predator as those of a male on a central nest ( see Table 2 , Chapter 14 ) . If peripheral individuals in a selfish herd of bluegills or black - headed gulls are ...
... bluegill , and as a result his eggs are twice as likely to be eaten by a predator as those of a male on a central nest ( see Table 2 , Chapter 14 ) . If peripheral individuals in a selfish herd of bluegills or black - headed gulls are ...
Page 467
... bluegill sunfish ( Lepomis macrochirus ) and its relative , the pumpkin- seed sunfish ( Lepomis gibbosus ) [ 289 ] . Bluegills are generally social ; pump- kinseeds are solitary . The social nature of bluegills is expressed during the ...
... bluegill sunfish ( Lepomis macrochirus ) and its relative , the pumpkin- seed sunfish ( Lepomis gibbosus ) [ 289 ] . Bluegills are generally social ; pump- kinseeds are solitary . The social nature of bluegills is expressed during the ...
Page 469
... bluegill cannot pick up a snail and cart it away from the nest , pumpkinseeds are easily able to do this ( and may consume their enemy to boot ) . In addition , a bluegill can be ignored by a nest - raiding bullhead catfish , but a pump ...
... bluegill cannot pick up a snail and cart it away from the nest , pumpkinseeds are easily able to do this ( and may consume their enemy to boot ) . In addition , a bluegill can be ignored by a nest - raiding bullhead catfish , but a pump ...
Contents
NATURAL SELECTION | 5 |
Alternative Hypotheses | 11 |
Experimental Tests of Evolutionary Predictions | 17 |
Copyright | |
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ability activity adaptive adult alarm calls allele animal behavior anole ants aphids bees Behavioral Ecology benefits biological birds black-headed gull bluegill brain breeding butterfly cells Chapter colony Color competition cooperation copulate courtship cues cycle damselfly defense detect developmental display dominant effects eggs environment evolution evolutionary evolved example experience feeding female's fertilize Figure flies foraging gametes genes genetic genotype gulls habitat hive honeybee hormonal human hypothesis inclusive fitness individuals infanticide insects kin selection kittiwake larvae living male's males and females mate mechanisms moth nectar nervous system nest neural neurons offspring parental pattern pheromone Photograph physiological polyandry polygyny population potential predators prediction prey produce progeny rats reared receptive receptors relatively reproductive success response Science sensory sexual selection signals snakes social Sociobiology song sounds species sperm stimulation strategy survival territory testosterone toad traits wasp white-crowned sparrow wings workers young