Across
1
Egg-laying mammal with a duck bill
3
Crustacean with pincers
6
Tallest living animal on Earth
8
Slow-moving reptile with hard shell
10
Fish that swims upstream to spawn
Down
2
Insect with colorful wings
4
Eight-armed sea creature
5
Amphibian that leaps and croaks
7
Large-eyed primate from Madagascar
9
Large omnivore that hibernates