Adaptive Coloration in AnimalsMethuen, 1957 - 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 |
COLOUR RESEMBLANCE DUE TO CHOICE OF APPROPRIATE BACKGROUNDS | 18 |
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adaptive coloration advertisement Africa antennæ aposematic appearance attack attitude background bark bees beetles behaviour birds body brown Bufo butterflies camouflage caterpillars chromatophores closely colour colour-scheme concealing coloration conspicuous contrast correlated countershading crab Crustacea cryptic coloration cryptic resemblance dark deceptive device display disruptive pattern dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments fact feeding figs fishes frogs function geckos genus grasshoppers green grey groups of animals habits head Hymenoptera illustrated insects instance instinct Journ larva larvæ later leaf Lepidoptera light lizards London mammals mantis markings mimetic mimicry mimics moths nature nest Nightjars observed optical Orthoptera Pará patches pigment Polychrus marmoratus Poulton predators prey principle Proc procryptic protective referred relation remarkable rest seen shade shadow significant similar snakes species specimens spider Stone-Curlew striking surface surroundings tail tegmina toads tone tropical various visual warning coloration wings yellow Zool