Animal Behavior: An Evolutionary Approach |
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Page 264
... foraging behavior has been studied is the golden - winged sunbird ( Figure 3 ) [ 257-259 ] . It is particularly well suited for examination of the daily economics of foraging because during some times of the year the birds feed ...
... foraging behavior has been studied is the golden - winged sunbird ( Figure 3 ) [ 257-259 ] . It is particularly well suited for examination of the daily economics of foraging because during some times of the year the birds feed ...
Page 266
... foraging studies were done in the nonbreeding season , the birds did not have to forage for their brood or build up energy reserves for reproduction . They merely needed to maintain themselves , and therefore it is not too surprising ...
... foraging studies were done in the nonbreeding season , the birds did not have to forage for their brood or build up energy reserves for reproduction . They merely needed to maintain themselves , and therefore it is not too surprising ...
Page 267
... Foraging ( hours ) 8 - 4 = 4 4 - 2.7 = 1.3 2 - 2 = 0 Calories Saveda 2400 780 0 Source : Gill and Wolf [ 257 ] . - " For the bird that owns a particular territory , the calories saved for each hour spent resting instead of foraging ...
... Foraging ( hours ) 8 - 4 = 4 4 - 2.7 = 1.3 2 - 2 = 0 Calories Saveda 2400 780 0 Source : Gill and Wolf [ 257 ] . - " For the bird that owns a particular territory , the calories saved for each hour spent resting instead of foraging ...
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