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Specializations of the body form and food habits of snakes
(Oxford University Press: American Zoologist, 1983)
Viperid snakes have stouter bodies, larger heads, and longer jaws than snakes in other families; there are no major differences between the two subfamilies of vipers in these features. A suite of morphological characters ...
Population density of tropical forest frogs: relation to retreat sites
(American Association for the Advancement of Science: Science, 1983)
The forest frog Eleutherodactylus coqui defends specific sites for retreats and nests in the Luquillo Forest, Puerto Rico. The hypothesis that shortages of nest and retreat sites limit population size was tested by placing ...