The geographic distribution of rodent granivory and cheek pouches across North America

Jacob Dittel & Stephen Vander Wall
Seeds are an important food resource for many rodents. One of the specializations that many granivorous rodents exhibit to increase their efficiency in harvesting seeds is cheek pouches. However, many rodent species lack cheek pouches. We propose that the presence or absence of cheek pouches is related to seed size and the productivity of the habitat where those rodents reside. Location North America – United States and Canada. Taxon Granivorous rodents. We divided granivorous rodents...
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