
Kangaroo
Boxing champ with built-in trampolines.
Kangaroo vs Giraffe
Tonight's science rumble is set in the empty savanna exhibit after closing time. No snacks were harmed.
Kangaroo
Macropus rufus
Kangaroos cannot hop backward. The contract with physics is one-way.
Grasses and shrubs. They are hoppy lawn mowers.
Giraffe
Giraffa camelopardalis
A giraffe's tongue can be 45 cm long and is often purple-black.
Giraffes nibble acacia leaves, tongues and all. Thorns? Merely crunchy.
Who do YOU think wins?

Giraffe
A living watchtower with a killer kick.