Across
1
Five-armed sea creature
5
Slow-moving reptile with hard shell
7
Australian burrowing marsupial
8
Flightless bird that swims in cold regions
9
Large bird of prey with keen eyesight
13
Large reptile found near rivers
Down
1
Fish that swims upstream to spawn
2
Colorful bird that can mimic speech
3
Eight-armed sea creature
4
Striped big cat from Asia
6
Bird of prey with sharp talons
10
Tallest living animal on Earth
11
Large North American buffalo
12
Egg-laying mammal with a duck bill