
Kangaroo
Boxing champ with built-in trampolines.
Kangaroo vs Sea Lion
Tonight's science rumble is set in the picnic meadow, sandwiches evacuated. 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.
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.
Who do YOU think wins?

Sea Lion
A barking torpedo in a wet tuxedo.