| Hooper's Deermice live in a grassy transition zone between desert scrub habitat and mountain chapparal. Several other Peromyscus are found there: melanophrys, eremicus, and pectoralis. Hooper's is longer than the others, many of its skull measurements are larger, and their DNA also distinguishes them. Female Hooper's are larger than males.
Hooper's Deermice have been bred in captivity. Gestation lasts just over a month. The newborns are hairless, but begin to get hair by the second day. By day 5 they are starting to crawl. At a week, the first lower teeth have erupted. Their eyes are open before they are two weeks old, and females are old enough to reproduce when they are a little more than two months old. Three is a typical litter size. Adults in the wild wear gray winter coats by December and molt to their brownish summer coats between March and May.
Total Length: 172-218 mm; Tail: 92-132 mm
19.5 – 23.5 g
Lee & Schmidly, 1977. Journal of Mammalogy, 58:263.
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