
Sea Lion
A barking torpedo in a wet tuxedo.
Sea Lion vs Kangaroo
Tonight's science rumble is set in the visitor lawn, now closed for SCIENCE. No snacks were harmed.
Sea Lion
Zalophus californianus
Sea lions can hold their breath for about 10 minutes.
Fish, squid, and the occasional unfortunate leftover from the ocean buffet.
Kangaroo
Macropus rufus
Kangaroos cannot hop backward. The contract with physics is one-way.
Grasses and shrubs. They are hoppy lawn mowers.
Who do YOU think wins?

Kangaroo
Boxing champ with built-in trampolines.