Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 140
... approach , or upon unrecognized or mistaken identity - the element of surprise at close range is everything . Only by remaining unrecognized are they enabled to approach , to ambush , or to allure the unsuspecting victim until within ...
... approach , or upon unrecognized or mistaken identity - the element of surprise at close range is everything . Only by remaining unrecognized are they enabled to approach , to ambush , or to allure the unsuspecting victim until within ...
Page 142
... approach ; and ( 2 ) by the skilful use of cover . ( 1 ) The Stealthy Approach - Stealth is to the anticryptic animal what stillness is to the procryptic . The vital importance of surprise in attack is re- flected in the skill needed ...
... approach ; and ( 2 ) by the skilful use of cover . ( 1 ) The Stealthy Approach - Stealth is to the anticryptic animal what stillness is to the procryptic . The vital importance of surprise in attack is re- flected in the skill needed ...
Page 146
... APPROACH UP - WIND Of all the devices leading to surprise in the attack , none is more remarkable than the instinct possessed by the larger cats to approach their quarry into the wind - thereby greatly delaying the moment of recognition ...
... APPROACH UP - WIND Of all the devices leading to surprise in the attack , none is more remarkable than the instinct possessed by the larger cats to approach their quarry into the wind - thereby greatly delaying the moment of recognition ...
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