Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 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
SEASONAL DIMORPHISM | 17 |
MORPHOLOGICAL COLOUR | 24 |
OBLITERATIVE SHADING | 35 |
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Common terms and phrases
adaptive coloration advertisement African antennæ aposematic aposematic animals appearance attack attitude autotomy 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 cryptic resemblance dark deceptive defence device display disruptive pattern dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments exposed fact feeding fishes frogs function genus grasshoppers green grey group of animals habits Hingston Hymenoptera illustrated insects instance instinct larva larvæ later leaf Lepidoptera light lizards mammals markings mimetic mimicry moths nature nest nidifugous Nightjars nocturnal observed optical Orthoptera phenomena pigment Poulton predators predatory prey principle procryptic protective referred relation remarkable rest seen shade significant similar snakes species specimens spider Stone-Curlew striking surface surroundings tail tegmina tion toads tone various visual warning coloration widely wings yellow Zool