Across
1
Burrowing mammal with poor eyesight
2
Egg-laying mammal with a duck bill
4
Large reptile found near rivers
7
Small spiny mammal
10
Elegant white water bird
Down
2
Flightless bird that swims in cold regions
3
Wild dog-like animal of North America
5
Slow-moving reptile with hard shell
6
Clawed sea crustacean
8
Five-armed sea creature
9
Soft sea creature that can sting