Across
1
Amphibian that leaps and croaks
4
Egg-laying mammal with a duck bill
5
Flightless bird that swims in cold regions
9
Striped African horse-like animal
Down
2
Large animal with a horn on its nose
3
Largest living primate
6
Slow-moving mollusk without a shell
7
Large North American buffalo
8
Tallest living animal on Earth
10
Large bird of prey with keen eyesight
11
Striped big cat from Asia