A Leucisitic Fisher (Pekania pennanti) and the Prevalence of Leucism in Wild Carnivores

Lugas O. Olson, Maximilian L. Allen

Research output: Contribution to journalArticle

Abstract

Animal coloration has adaptive roles for communication, concealment, sexual selection, and physiological function. Genetic mutations sometimes cause abnormal coloration such as leucism, in which an animal appears partially or entirely white, except for exposed soft skin tissue. Here we document a leucistic fisher (Pekania pennanti). Fisher fur normally ranges from deep brown to black, but the function of the pelt color is not understood. The literature on the occurrence of leucism includes 33 other records of leucism among carnivores. Reporting cases of rare coloration in the wild helps to understand the distribution, prevalence, and significance of abnormal colors.

Original languageEnglish (US)
Pages (from-to)133-138
Number of pages6
JournalAmerican Midland Naturalist
Volume181
Issue number1
DOIs
StatePublished - Jan 1 2019
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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