Answer:
They swim around in schools or pods and they are related to whales
I have a pouch like a kangaroo but I live in trees and eat eucalyptus leaves. What am I?
I have a pouch on my belly where I carry my babies. I hop around Australia. What am I?
I'm known for being stubborn and saying 'hee-haw.' What am I?
When it was young, it had a tail. When it grew up, it had knees
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.