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Mating Behavior of the Peromyscus truei Species Group of White-Footed Mice

J. R. Tamsitt
The American Midland Naturalist
Vol. 65, No. 2 (Apr., 1961), pp. 501-507
DOI: 10.2307/2422970
Stable URL: http://www.jstor.org/stable/2422970
Page Count: 7
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Mating Behavior of the Peromyscus truei Species Group of White-Footed Mice
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Abstract

Mice of the Peromyscus truei species group (P. truei, P. comanche and P. nasutus) were studied to determine the mating reaction of individuals to members of their own species. Little intraspecific variation was noted. When the mating pattern was defined, six phases were evident: 1) initiation of courtship by the female; 2) circling of the female before the male; 3) posturing by the female; 4) mounting by the male; 5) thrust-intromission by the male; 6) dismounting by the male. There is a tendency for pair formation. Interactions such as grooming and genitalia smelling act to condition a mouse to the other's presence, and certain responses, such as the sequence culminating in mating, are given only to those animals with which they have become familiar. Strange animals always elicit responses of an agressive nature.

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