Pearsons tucotuco

Ctenomys pearsoni

TAXONOMY

Ctenomys pearsoni Lessa and Langguth, 1983, Colonia Department, Uruguay. No subspecies recognized.

OTHER COMMON NAMES Spanish: Tucu-tucu de Pearson.

PHYSICAL CHARACTERISTICS

Average head and body length is 7.5 in (19 cm); weight is 7 oz (200 g). Brown reddish pelage with a white collar under and white patches lateral to neck.

DISTRIBUTION

Southwestern Uruguay and Entre Rios Province, Argentina. HABITAT

Coastal sand dunes and grasslands.

BEHAVIOR

Solitary; territorial; aggressive; conspicuous territorial vocalizations. Leaves the burrow only to forage.

FEEDING ECOLOGY AND DIET Includes grasses, herbs, shrubs, and roots.

REPRODUCTIVE BIOLOGY

Only one litter per year. Litter size two to four pups. Probably polygynous. Sex ratio unbalanced in favor of females. Frequent female vocalizations during courtship.

CONSERVATION STATUS

Not listed by the IUCN.

SIGNIFICANCE TO HUMANS None known. ♦

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