What key identifier is used for field identification of the White-throated woodrat (*Neotoma albigula*) in the southwestern United States?
Answer
Whitish fur on the throat and belly
The White-throated woodrat (*Neotoma albigula*) is specifically recognized in environments like the southwestern United States and Mexico by a distinct coat pattern. This species possesses notably whitish fur covering its throat and belly areas, a physical trait that aids field identification when distinguishing it from closely related or sympatric woodrat species. This physical marker is contrasted with the defining characteristic of the Bushy-tailed woodrat, which relies on tail morphology rather than ventral fur coloration for identification.

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