Across
1
Large reptile found near rivers
6
Amphibian that leaps and croaks
7
Egg-laying mammal with a duck bill
Down
2
Dog-like scavenger of Africa
3
Slow-moving reptile with hard shell
4
Animal that builds dams
5
Small horse-shaped sea fish
8
Soft sea creature that can sting
9
Fastest land animal
10
Intelligent marine mammal