What are they doing?
The hippos are walking.
What's the parrot doing?
The parrot is dancing.
What's the fish doing? / What's Tom doing?
It's swimming!
What's the dolphing doing?
The dolphin is playing / swimming with the dog!
What are the ants doing?
The ants are eating leaves.
What's the macaw doing?
It's flying!
What are the gorillas doing?
They're looking at us!
What's the elephant doing?
The elephant is taking a shower.
What's the giraffe doing?
The giraffe is drinking milk.
What's the penguin doing?
It's jumping / swimming.
What is it doing?
The tiger is swimming.
What are the kangaroos doing?
They're jumping!
What are they doing?
The zebras are walking.
What's the panda doing?
The panda's playing. / It's rolling.
What's the fly doing?
It's flying!
What's the bat doing?
It's dancing!