Across
1
Fish that swims upstream to spawn
4
Tallest living animal on Earth
5
Slow-moving reptile with hard shell
10
Large bird of prey with keen eyesight
12
Intelligent marine mammal
Down
2
Clawed sea crustacean
3
Flightless bird that swims in cold regions
6
South American pack animal
7
Australian burrowing marsupial
8
Slow-moving mollusk without a shell
9
Dog-like scavenger of Africa
11
Animal known for fighting snakes