Gloger's Rule


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Gloger's Rule

a biological rule stating that populations of species which occur in warm, humid areas are more heavily pigmented than those in cool, dry areas.
References in periodicals archive ?
Gloger's rule, that overall dark pelage is associated with tropical climates, holds true for many mammalian species, and thermoregulation may play a role in this phenomenon (Caro, 2005).
Gloger's rule, which asserts more heavily pigmented individuals are found at the more humid extents of their range (e.
The selective advantage afforded by Gloger's Rule is not evident.