Chapter I Notes on the Questions of Protective Coloration, Recognition Marks, and the Influence of Environment on Living Organisms
Harmony of colour in nature—Theory of protective coloration—Sexual selection—Conspicuous colours not harmful—The influence of environment—The leucoryx—The Barbary sheep—The Sardinian moufflon—African butterflies—Coloration of the musk ox and caribou—Arctic hares and foxes—Coloration of mammals in the Yukon Territory—The chamois in winter—Examples of conspicuous coloration in African mammals—Colour not always protective—Carnivorous animals usually hunt by scent—Wild dogs and wolves—Wild dog and sable antelope—Sense of smell in herbivorous animals—Sight of antelopes—Experience with waterbuck—Dull sight of caribou—Demeanour of wild animals when alarmed—Small antelopes—Lions—Large antelopes—Difficulty of seeing wild animals sometimes exaggerated—Powers of sight of Bushmen—Colour not protective against animals which hunt by night and by scent—Animals in motion easy to see—Restlessness of wild animals—Lions attacking bullocks—Zebras the principal prey of lions since the disappearance of buffaloes—Appearance of zebras—Undoubtedly conspicuous animals in open country—Zebras by moonlight—Strong smell of zebras—Conspicuous antelopes in East Africa—Effect of the juxtaposition of black and white—Bold coloration of the sable antelope
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