This episode of Nature's Weirdest Events examines an army of fearless Japanese rabbits,the world's largest gathering of snakes, and the bizarre mating ritual of leopard slugs.

Originally released by BBC, 2015. Streaming video file encoded with permission for digital streaming by Infobase on May 22, 2019.

Rabbit Island (4:32); --Jellyfish Bloom (5:33); -- Horseshoe Crabs (4:11); -- Jumping Fish (3:55); -- Light Flashes (5:59); -- Moving Stones (8:33); -- Leopard Slugs (6:15); -- Red-Sided Garter Snakes (5:25); -- Mobula Rays (5:21); -- Credits: Nature's Weirdest Events: Series 4: Episode 2 (0:19); .