Across
1
Flightless bird that swims in cold regions
3
Small spiny mammal
7
Wild dog-like animal of North America
9
Fish that swims upstream to spawn
10
Large North American buffalo
Down
2
Large animal with a horn on its nose
4
Burrowing mammal with poor eyesight
5
Intelligent marine mammal
6
Eight-armed sea creature
8
Graceful animal with antlers
11
Slow-moving reptile with hard shell