Across
1
Large reptile found near rivers
5
Large North American buffalo
6
Colorful bird that can mimic speech
10
Fish that swims upstream to spawn
11
Slow-moving reptile with hard shell
Down
2
Large animal with a horn on its nose
3
Intelligent marine mammal
4
Egg-laying mammal with a duck bill
7
Wild dog-like animal of North America
8
Crustacean with pincers
9
Large omnivore that hibernates