Adaptive Coloration in AnimalsMethuen, 1957 - 508 pages |
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Page 137
... feet ; the long slender tapering neck was held stiff , straight and vertically ; and the head and beak , instead of being carried obliquely , were also pointing up . There was not , from his feet to the tip of his beak , a perceptible ...
... feet ; the long slender tapering neck was held stiff , straight and vertically ; and the head and beak , instead of being carried obliquely , were also pointing up . There was not , from his feet to the tip of his beak , a perceptible ...
Page 186
... feet below , then rises again and waits until another Grayling takes wing and gives it another chance , but more often than not the butterfly escapes . ' Almost identical behaviour has been observed by Swynnerton ( 610 ) in African ...
... feet below , then rises again and waits until another Grayling takes wing and gives it another chance , but more often than not the butterfly escapes . ' Almost identical behaviour has been observed by Swynnerton ( 610 ) in African ...
Page 381
... feet are a deep purplish black . Hylambates maculatus , a Polypedatid frog which I came across in Portuguese East Africa , has the flash coloration similarly disposed , the sides of the thigh , the inner side of the tibio - tarsus , and ...
... feet are a deep purplish black . Hylambates maculatus , a Polypedatid frog which I came across in Portuguese East Africa , has the flash coloration similarly disposed , the sides of the thigh , the inner side of the tibio - tarsus , and ...
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 antenn¿ 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 larv¿ 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