Across
1
Large reptile found near rivers
4
Egg-laying mammal with a duck bill
7
Soft sea creature that can sting
9
Large animal with a horn on its nose
10
Elegant white water bird
12
Primate closest to humans
Down
2
Australian marsupial that hops
3
Largest mammal in the ocean
5
Intelligent marine mammal
6
Flightless bird that swims in cold regions
8
Eight-armed sea creature
11
King of the jungle