Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 279
... toads , and I therefore propose to deal here with the Anura in somewhat greater detail , in an attempt to show how the mental equipment and feeding behaviour of these animals is related to the theory of warning coloration . As a group ...
... toads , and I therefore propose to deal here with the Anura in somewhat greater detail , in an attempt to show how the mental equipment and feeding behaviour of these animals is related to the theory of warning coloration . As a group ...
Page 285
... toads ate a total of 444 mealworms ( see text figure 57 ) . ( 4 ) Permanency of the Association — With the object of testing the memory of toads which had previously learned to avoid bees , a second series of trials ( referred to as ...
... toads ate a total of 444 mealworms ( see text figure 57 ) . ( 4 ) Permanency of the Association — With the object of testing the memory of toads which had previously learned to avoid bees , a second series of trials ( referred to as ...
Page 286
... toads undergoing memory test in the course of Experiments I and II been eaten for fourteen days , so that the toad's appetite was considerably keener than at the commencement of Experiment I , which was undertaken after a fast of only ...
... toads undergoing memory test in the course of Experiments I and II been eaten for fourteen days , so that the toad's appetite was considerably keener than at the commencement of Experiment I , which was undertaken after a fast of only ...
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