Geographic Distribution of the Pocket Mouse, Perognathus fasciatus

Name: Geographic Distribution of the Pocket Mouse, Perognathus fasciatus
Author: J. Knox Jones

By J. Knox Jones

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Nature/Gardening/Animals Science - Biology

About This Book

A systematic survey of museum and field specimens maps geographic variation in the pocket mouse Perognathus fasciatus and refines its subspecific taxonomy. Detailed comparisons result in recognition of five subspecies, the reduction of a previously treated species to subspecific rank, and the application of an earlier name to northwestern Nebraska populations. Diagnoses rely chiefly on pelage color, which shows a northeast-to-southwest cline from darker to paler tones, while cranial differences are slight and individual variation exceeds sexual dimorphism. Distribution maps, specimen lists, measurements, and color-based descriptions underpin the taxonomic conclusions.

About the Author

J. Knox Jones

J. Knox Jones was an American mammalogist known for his significant contributions to the study of mammals, particularly in North America and Mexico. His research focused on the taxonomy, distribution, and geographic variation of various species. Among his notable works is "A New Bog Lemming (Genus Synaptomys) From Nebraska," which highlights his expertise in small mammal ecology. Jones also published extensively on bats, including studies like "Noteworthy Records of Bats From Nicaragua," showcasing his dedication to understanding chiropteran fauna. His scholarly output has contributed to the broader field of mammalogy and has been influential in wildlife conservation efforts.