Across
1
Amphibian that leaps and croaks
2
Elegant white water bird
5
Wild dog-like animal of North America
8
Eight-armed sea creature
10
Large North American buffalo
11
Striped African horse-like animal
Down
2
Slow-moving mollusk without a shell
3
Australian burrowing marsupial
4
Predatory fish with sharp teeth
6
Flightless bird that swims in cold regions
7
Fish that swims upstream to spawn
9
Insect with colorful wings
12
Egg-laying mammal with a duck bill