...The inference is obvious, that the green coloration of themajority of tree-snakes has more or less connection with theirhabits and mode of life... 
J. Emerson Tennent 「Sketches of the Natural History of Ceylon」
...It is very different from the Least Bittern,having a more uniform chestnut coloration, especially on the under parts...
Chester A. Reed 「The Bird Book」
...This species iscommonly knownas "Red-breastedSnipe" in latespring and summerbecause ofthe rich, rustyred coloration ofthe underparts,and as "Gray-back"in winterbecause of itscolor at that season...
Chester A. Reed 「The Bird Book」
...We know that the variation in form and colorhas brought about the remarkable adaptations to surroundingswhich we call mimicry and protective coloration...
Clarence M. Weed 「Butterflies Worth Knowing」
...Unlike as these cuckoos are to their hosts in their brilliant metallic coloration, etc...
Edward Saunders 「Wild Bees, Wasps and Ants」
...Eccentricity in structure almost always occurs in the male; excess of coloration usually in the female...
Edward Saunders 「Wild Bees, Wasps and Ants」
...As a protection, the gaudy ones acquire aquiet, inconspicuous coloration for a time, so that the male is saidto get an "eclipse plumage...
John Albert Leach 「An Australian Bird Book」
...No geographic variation in the dorsal coloration is evident...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Individuals of this species are capable of changing the dorsal colorationfrom green to brown in a short period of time...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The type agrees well with specimensof Smilisca wellmanorum (Taylor, 1952); the vestigial webbing on thehands and the dorsal coloration are especially significant...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Intense brownand black pigment forms fine reticulations delimiting bold blue spots on theflanks; this coloration extends to the axilla in many specimens...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In living individuals from Costa Rica and Panamá west of the Canal Zone,the blue coloration on the flanks and thighs is much less conspicuous than inspecimens from eastern Panamá...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Resembling in plan of coloration but everywheremuch paler; breast and belly buff; no black in head...
Frank M. Chapman 「Color Key to North American Birds」
...Similarin coloration to , but larger, the bill conspicuouslyso; W...
Frank M. Chapman 「Color Key to North American Birds」
...lagopus in corresponding plumage, "but coloration darkerthroughout, especially dorsally; bill smaller and relatively much narrower...
Frank M. Chapman 「Color Key to North American Birds」
...nelsoni in corresponding plumage, "but much darker; inextreme blackness of coloration nearly like Lagopus evermanni, but feathers ofchest and back more or less finely vermiculated with hazel...
Frank M. Chapman 「Color Key to North American Birds」
...Similar in coloration toH...
Frank M. Chapman 「Color Key to North American Birds」
...rufescens in coloration but larger, tail proportionatelylonger and bill bulkier...
Frank M. Chapman 「Color Key to North American Birds」
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