Pocket mice can burrow into hard-crusted soils by actually physically chewing their way through the hard portions of the soil. It is aggressively solitary, with a home range of less than 1 acre. Breeding season early spring to late summerįew individuals survive more than one year, either in captivity and in the wild (Bradley, 1997).Ĭhaetodipus penicillatus may be active all year round in some areas, though it is inactive in the winter in southern Arizona.gonochoric/gonochoristic/dioecious (sexes separate).Many young females reach sexual maturity early and became pregnant while still in their juvenile pelage (Biota Information System of New Mexico, 2000 Bradley, 1997 Utah Division of Wildlife Resources, 2001). Female desert pocket mice may give birth to one or more litters of young from the early spring to the late summer. Range length 157 to 199 mm 6.18 to 7.83 inĬhaetodipus penicillatus has a high population turnover rate, as high as 95% annually.The dental formula of Chaetodipus penicillatus is the same as in all heteromyids: I 1/1, C 0/0, P 1/1, M 3/3 X 2 = 20 (Bradley 1997 Burt and Grossenheider, 1976). The soles of the hind feet are whitish and average hind foot length is 25 mm. The tail is heavily crested and is longer than the head and body, with average tail length being 109 mm. The underparts of the body and tail are whitish. This species lacks rump spines but has numerous, elongate rump hairs which are darker dorsally and lighter laterally. Coloration is grayish brown to yellowish gray and may be sprinkled with black. The total length of adults usually does not exceed 180 mm.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |