Ferret: A business or fesnyng of ferrets

Finches: A charm of finches

Fox: A skulk or leash of foxes

Frogs: An army or colony of frogs

Hares: A down or husk of hares

Hawks: A cast or kettle of hawks

Herons: A hedge of herons

Jellyfish: A smack of jellyfish

Kittens: A kindle of kittens