collective nouns for rats

Collective noun for rats: colony

A group of rats is called a colony.
The collective noun for rats is colony.
Pack, mischief, plague, horde, swarm, and rabble are the other collective nouns for rats.

Collective nouns for rats with examples

Subject	Collective Noun	Example
rats	colony	A colony of rats ('colony' refers to a large group of rats living together)
rats	pack	A pack of rats ('pack' refers to a small group of rats living together)
rats	mischief	A mischief of rats
rats	plague	A plague of rats ('plague' refers to a huge group of rats running around)
rats	horde	A horde of rats
rats	swarm	A swarm of rats
rats	rabble	A rabble of rats