Journal ArticleDOI
Notes on the Rodent Faunas of Two Panamanian Forests
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Twenty-one species of rodents were trapped or observed in two forests in the Panama Canal Zone, and it is found that ecological segregation serves to minimize competition among the rodents in both forests.Abstract:
Twenty-one species of rodents were trapped or observed in two forests in the Panama Canal Zone. Data on the ecology, molt, and food habits of seven species are presented. Among the terrestrial rats and mice, three species ( Liomys adspersus, Oryzomys capito, and Proechimys semispinosus ) were common in the Pacific slope forest, whereas two ( Oryzomys capito and Proechimys semispinosus ) were common in the Atlantic slope forest. Year-round breeding occurs in eight of nine species; Liomys adspersus breeds seasonally. Adults of L. adspersus and P. semispinosus molt during restricted portions of the year, but there was no apparent synchrony of molt in adults of Heteromys desmarestianus, Oryzomys capito, Zygodontomys microtinus, and Sigmodon hispidus. Ecological segregation serves to minimize competition among the rodents in both forests.read more
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References
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Journal ArticleDOI
Ecological Observations on a Feral House Mouse Population Declining to Extinction
TL;DR: This report documents the events occurring in a population of house mice, living on 55 acre Brooks Island in San Francisco Bay, as it declined to extinction in a period of little over one year.