Across
1
Flightless bird that swims in cold regions
4
Predatory fish with sharp teeth
5
Soft sea creature that can sting
7
Egg-laying mammal with a duck bill
8
Large reptile found near rivers
Down
2
Animal that builds dams
3
Fish that swims upstream to spawn
6
Five-armed sea creature
8
Wild dog-like animal of North America
9
King of the jungle
10
Intelligent marine mammal