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The zoologist Hugh Cott had the final word in Adaptive Coloration in Animals (1940), a definitive synthesis of everything known about camouflage and mimicry in nature. Cott ruffled fewer feathers [than Trofim Lysenko or Vladimir Nabokov ], and his well-organized and unfanatic ideas proved militarily effective, even under the scrutiny of ...
Cephalopod molluscs such as this cuttlefish can change color rapidly for signaling or to match their backgrounds. Active camouflage or adaptive camouflage is camouflage that adapts, often rapidly, to the surroundings of an object such as an animal or military vehicle. In theory, active camouflage could provide perfect concealment from visual ...
Warning coloration of the "Brazilian Skunk" in The Colours of Animals [P 5] The basic concept of warning coloration (aposematism, like the black and yellow pattern of a wasp) is approached very simply: When an animal possesses an unpleasant attribute, it is often to its advantage to advertise the fact as publicly as possible.
In 1940, Hugh Cott wrote a compendious study of camouflage, mimicry, and aposematism, Adaptive Coloration in Animals. [6] By the 21st century, adaptation to life in cities had markedly reduced the antipredator responses of animals such as rats and pigeons; similar changes are observed in captive and domesticated animals. [79]
In his textbook Adaptive Coloration in Animals (1940), Hugh Bamford Cott describes self-decoration under the heading "adventitious concealing coloration", also naming it "adventitious resemblance". He describes it as a device "perhaps unrivalled" for effective concealment, and points out that it is brought about and depends on "highly ...
Disruptive coloration by Hugh Cott, from Adaptive Coloration in Animals (1940) While trying to photograph a hen partridge on her nest, Cott waited for hours for the bird to return, finally taking some pictures of the empty nest before giving up. On developing the photographs, he realized the bird had been there all along, perfectly camouflaged ...