Little pocket mice live up to seven and one-half years in captivity and three to five years in the wild. Other family members include the spiny pocket mice ( Heteromys and Liomys ), pocket mice ( Perognathus and Chaetodipus ), kangaroo rats ( Dipodomys ), and kangaroo mice ( Microdipodops ). The tail, hind foot, and skull lengths and the size of skull structures are also the smallest of all little pocket mouse subspecies. This subspecies is the smallest member of the family Heteromyidae. The Pacific pocket mouse ( Perognathus longimembris pacificus ) is one of 19 recognized subspecies of the little pocket mouse ( P. The Pacific pocket mouse is among the smallest subspecies of little pocket mice, ranging up to 5.2 in (13.2 cm) in length from nose to tip of tail. The tail can be either distinctly or indistinctly bicolored. There are typically two small patches of lighter hairs at the base of the ear. The dorsal pelage is predominately brown, pinkish buff, or ochraceous buff. The little pocket mouse shows wide geographic variation in pelage color. The body pelage (hairy covering) of the little pocket mouse is silky. Loss of habitat feral/domestic cats non-native red foxes.Īll members of the family Heteromyidae are nocturnal granivores (animals subsisting on seeds or grain) with external, fur-lined cheek pouches. One or two litters a year, ranging from three to seven young. Pacific Pocket Mouse Perognathus longimembris pacificus Statusįine-grain, sandy substrates near coastal strand.
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