Across
1
Flightless bird that swims in cold regions
4
Crustacean with pincers
5
Fish that swims upstream to spawn
6
Striped big cat from Asia
7
Animal known for fighting snakes
Down
2
Amphibian that leaps and croaks
3
Eight-armed sea creature
4
Large reptile found near rivers
8
Burrowing mammal with poor eyesight
9
Wild dog-like animal of North America
10
Largest living primate