Across
1
Largest mammal in the ocean
2
Amphibian that leaps and croaks
4
Eight-armed sea creature
6
Tallest living animal on Earth
8
Small spiny mammal
Down
2
Small domesticated weasel-like animal
3
Large North American buffalo
5
Fastest land animal
7
Fish that swims upstream to spawn
9
Colorful bird that can mimic speech