Groups

A group of frogs is called an army.
A group of rhinos is called a crash.
A group of kangaroos is called a mob.
A group of whales is called a pod.
A group of geese is called a gaggle.
A group of ravens is called a murder.
A group of officers is called a mess.
A group of larks is called an exaltation.
A group of owls is called a parliament.
A group of doves is called a salvation.