Abstract
Diet, reproduction, age structure, body size, sex ratio, and home range are described for nine species (eight genera) of small mammals living in Patagonian forests. Litter size and home range tend to be smaller in Patagonian species than in forest species of comparable body size in the Northern Hemisphere, but other life history characteristics are similar. Compared with the mammalian fauna of a similarly cool, wet forest on the Olympic Peninsula, Washington, the Patagonian fauna has relatively few species of carnivores, no tiny species such as shrews, few scansorial, and no arboreal species. Compared with the fauna of a Panamanian rain forest, the Patagonian fauna has more species of small mammals, more semifossorial species, and a much lower biomass because of the absence of middle-sized and arboreal species that contribute so much to biomass in Panama.
Published Version
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