| Scientists set traps every year from 1994-97 and caught a grand total of four Monserrat Island Deermice. Like Coronados Deermice (Peromyscus pseudocrinitus), they live only on one island in the southern Gulf of California, an island that has many small mountains and canyons, poor and sometimes stony soil, and desert plants. Almost nothing is known about Monserrat Island Deermice. They are critically endangered because of human use of the islands by fishermen and tourists.
Total Length: 202 mm; Tail: 112 mm
Burt, W.H., 1932. Transactions of the San Diego Society of Natural History, 7:174.
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