The viscacha is a type of rodent, specifically belonging to the chinchilla family and native to South America. Its ...

The plains viscacha looks a lot like a chinchilla, but it's known for building vast tunnels underground and for producing more than 300 eggs at one time.

The plains viscacha, a stout cousin of the chinchilla, builds subterranean "cities" known as "vizcacheras," where up to 50 individuals live together. With tunnels reaching 10 feet (3 meters ...