Darwin's ringed worm lizard

Darwin's ringed worm lizard (Amphisbaena darwinii) is a species of amphisbaenian in the family Amphisbaenidae. It is endemic to South America.

Etymology
The specific name, darwinii, is in honor of English naturalist Charles Darwin.

Description
Darwin's ringed worm lizard may attain a snout-to-vent length (SVL) of 36 cm.

Distribution and habitat
Darwin's ringed worm lizard is found in Argentina, Brazil, Paraguay, and Uruguay. The preferred natural habitat is grassland.

Ecology and behavior
Darwin's ringed worm lizard is fossorial and oviparous.