The crowned snakes are a group of snake

Snake

Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

s belonging to the genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Drysdalia of the family Elapidae

Elapidae

Elapidae is a family of venomous snakes found in tropical and subtropical regions around the world, terrestrially in Asia, Australia, Africa, North America and South America and aquatically in the Pacific and Indian Oceans...

. The four species in this genus are venomous, but not considered deadly.

Description

Crowned snakes are relatively small-sized snakes, averaging about 50 cm (20 inches) in length but can be as small as 18 cm (7 inches). They are normally brown in colour.