Across
1
Large North American buffalo
4
Egg-laying mammal with a duck bill
6
Amphibian that leaps and croaks
7
Wild dog-like animal of North America
8
Large bird of prey with keen eyesight
Down
2
Crustacean with pincers
3
Fish that swims upstream to spawn
5
Intelligent marine mammal
9
Slow-moving mollusk without a shell