Across
1
Egg-laying mammal with a duck bill
5
Largest living primate
7
Animal known for fighting snakes
8
Wild dog-like animal of North America
9
Large North American buffalo
Down
2
Burrowing mammal with poor eyesight
3
Australian burrowing marsupial
4
Clawed sea crustacean
6
Intelligent marine mammal
10
Slow-moving mollusk without a shell
11
Amphibian that leaps and croaks