THOSE interested in the study of variation, in regard to the size and coloration displayed by animals having a wide geographical distribution, will be glad to learn that a pair of Indian leopards, ...

Variation in home range size among three populations of the saxicolous iguanid lizard Sceloporus merriami was studied in relation to density, food availability, behavioral patterns, and daily activity ...

Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a range, ...