Patagonian lancehead

Bothrops ammodytoides

SUBFAMILY

Crotalinae

TAXONOMY

Bothrops ammodytoides Leybold, 1873, Mendoza Province, northern Argentina.

OTHER COMMON NAMES

German: Argentinische Jararaca; Spanish: Cenicienta. PHYSICAL CHARACTERISTICS

Adults range from 1.5 ft (45 cm) to 3.3 ft (1 m) in total length. The dorsal ground color is light brown or gray with dark brown blotches. The snout is elevated. Eight to 11 supralabial, 147-160 ventral, 30-41 subcaudal, and 23-25 midbody scale rows have been recorded for this species.

DISTRIBUTION

The species occurs in Argentina, from sea level to 6,560 ft (2,000 m).

HABITAT

It inhabits temperate to subtropical savannas and steppes.

BEHAVIOR

The species is terrestrial. In parts of its range, the Patagonian lancehead may use the tunnels of the chinchillid mammal Lagostomus maximus. The species has been characterized as an irritable snake. It is inactive during the austral winter.

FEEDING ECOLOGY AND DIET

It feeds primarily on lizards.

REPRODUCTIVE BIOLOGY

The Patagonian lancehead gives live birth, but little else is known.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS

This snake is dangerously venomous. ♦

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