Use of ground and arboreal microhabitats by Peromyscus leucopus and Peromyscus maniculatus

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Abstract
The fluorescent powder tracking technique was used to measure the distance traveled on the ground, on logs, and in trees by Peromyscus leucopus and Peromyscus maniculatus to determine if differential use of ground and arboreal microhabitats was sufficient to reduce niche overlap. Peromyscus maniculatus was more active in large trees than P. leucopus, but the two species traveled comparable distances on the ground, on logs, and in small trees. Vertical microhabitat segregation between these species was minimal and not significant enough to reduce niche overlap.