Across
1
Egg-laying mammal with a duck bill
5
Intelligent marine mammal
6
Large reptile found near rivers
9
Slow-moving mollusk without a shell
Down
2
Small domesticated weasel-like animal
3
Fish that swims upstream to spawn
4
Spotted big cat that climbs trees
7
Soft sea creature that can sting
8
Primate closest to humans
10
Large omnivore that hibernates
11
Amphibian that leaps and croaks
12
Colorful bird that can mimic speech