Rough-toothed dolphins are usually seen swimming in schools of 10-20 individuals, although groups of 50 or more have been reported. They are sometimes seen cruising along at high speed, with their beaks at the surface and their dorsal...

The Dulzura Kangaroo Rat is an excellent swimmer; its long hind feet are as well adapted for swimming as for hopping. On land, it usually makes short hops on its hind feet, but can hurry along using all four feet. Learn more about the...

Island gray foxes are thought to have arrived on three of the six California Channel Islands they now inhabit some 16,000 years ago, either by swimming or by rafting on floating debris. Humans, who first colonized the islands about 6,000...

Dall's porpoises are highly acrobatic and are often seen swimming at high speed, darting to and fro, riding the bow waves of boats and engaging in slow rolls at the surface. Because they are black and white, boaters sometimes misidentify...

Ermine are highly adaptable predators, easily invading small burrows to feed on voles, mice, and young rabbits. They also eat earthworms, frogs, and squirrels, climbing trees and swimming if necessary. Learn more about the Mustela...

Meet an expert at snorkeling and learn some basics on how to play. Find out what gear you'll need, safety tips, and fun facts.

Meet an expert at surfing and learn some basics on how to play. Find out what gear you'll need, safety tips, and how it relates to science.