Across
1
Egg-laying mammal with a duck bill
5
Large North American buffalo
6
Crustacean with pincers
7
Wild dog-like animal of North America
Down
2
Wild dog that hunts in packs
3
Clawed sea crustacean
4
Slow-moving reptile with hard shell
8
Graceful animal with antlers
9
Intelligent marine mammal