Across
1
Animal that builds dams
4
Intelligent marine mammal
5
Large tropical lizard
6
Australian burrowing marsupial
7
Predatory fish with sharp teeth
8
Amphibian that leaps and croaks
9
Animal known for fighting snakes
Down
2
Black big cat of the jungle
3
Small spiny mammal
7
Five-armed sea creature
10
Fish that swims upstream to spawn