Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 16
... ground colour , with blackish- brown or reddish - brown specks and blotches . These eggs are ' exactly like the ground upon which they are deposited ' , and when in situ are practically invisible . In subsequent years a large series of ...
... ground colour , with blackish- brown or reddish - brown specks and blotches . These eggs are ' exactly like the ground upon which they are deposited ' , and when in situ are practically invisible . In subsequent years a large series of ...
Page 125
... ground breeders , and particularly to such timid or wary species as are inclined , like the Lapwing , Curlew , Redshank , Oyster- Catcher , Stone Curlew , and certain Terns and Gulls , to quit the clutch early and slip quietly away on ...
... ground breeders , and particularly to such timid or wary species as are inclined , like the Lapwing , Curlew , Redshank , Oyster- Catcher , Stone Curlew , and certain Terns and Gulls , to quit the clutch early and slip quietly away on ...
Page 186
... ground and becomes invisible to the bird . This I have noticed many times . The bird hovers a moment or two , scanning the surface a few feet below , then rises again and waits until another Grayling takes wing and gives it another ...
... ground and becomes invisible to the bird . This I have noticed many times . The bird hovers a moment or two , scanning the surface a few feet below , then rises again and waits until another Grayling takes wing and gives it another ...
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