Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 418
... eggs — particularly concern us at present , and will now be considered . II . THE FACTORS UPON WHICH EGG - MIMICRY DEPENDS ( 1 ) Segregation of Cuckoo Strains - In our British Cuckoo the question of egg coloration is complicated by ...
... eggs — particularly concern us at present , and will now be considered . II . THE FACTORS UPON WHICH EGG - MIMICRY DEPENDS ( 1 ) Segregation of Cuckoo Strains - In our British Cuckoo the question of egg coloration is complicated by ...
Page 420
... eggs where the contrast with its own blue eggs is most striking . The same is true of the Bulbul ( Pycnonotus ) , a common African fosterer , whose reputation as the ' fool ' of the South African Passeres has been confirmed ...
... eggs where the contrast with its own blue eggs is most striking . The same is true of the Bulbul ( Pycnonotus ) , a common African fosterer , whose reputation as the ' fool ' of the South African Passeres has been confirmed ...
Page 423
... eggs resembling different models in different localities . We have already seen that certain strains of Cuculus are consistent in laying the same type of egg and in calling upon the same fosterer , or group of fosterers , to rear their ...
... eggs resembling different models in different localities . We have already seen that certain strains of Cuculus are consistent in laying the same type of egg and in calling upon the same fosterer , or group of fosterers , to rear their ...
Contents
THE METHODS BY WHICH CONCEALMENT | 5 |
ADAPTIVE RADIATION IN COLOUR RESEMBLANCE II | 11 |
CONCLUSION | 15 |
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advertisement Africa antennæ aposematic aposematic animals appearance attack attitude background bark bees behaviour birds body brown Bufo butterflies camouflage caterpillars chromatophores closely colour colour-scheme concealing coloration conspicuous contrast correlated countershading crab creatures Crustacea cryptic coloration dark deceptive defence device display disruptive pattern distasteful dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments fact feeding fishes frogs function genus grasshoppers green grey ground group of animals habits head hind Hingston Hymenoptera illustrated insects instance instinct larva larvæ later leaf legs Lepidoptera light lizards mammals markings mimetic moths nature nest Nightjars observed optical Orthoptera patches pigment Plate Portuguese East Africa Poulton predators predatory prey principle procryptic protective referred relation remarkable resemblance rest seen shade shadows significant similar snakes species specimens spider spots Stone-Curlew striking surface surroundings tail tegmina tion toads tone various warning coloration widely wings yellow