Mammals

A group of spiders is called a colony, most fitting for genuinely social spider species.

A group of baby scorpions is called a brood.

A group of spiders is sometimes called a scurry.

A group of spiders is rarely called a murder, echoing “a murder of crows.”

A group of opossums is called a passel.

A group of lapwings is called a deceit.

A group of jays is called a cast.

A group of house cats is called a nuisance.

A group of jackdaws is called a band.

A group of foxes is called a clan.