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The cetaceans are whales, dolphins and porpoises. The word cetacean is derived from the greek word "ketos" meaning sea monster. Whales and especially dolphins are well known for their intelligence and for their often complex social behaviors.
The Gray Whale makes one of the longest migrations of any animal - more than 12,000 miles. Learn more
Also referred to as the Boto, this creature is the largest and most widely distributed river dolphin in the world. Learn more
A playful animal, bottlenoses are often spotted bow-riding, wake-riding and body-surfing across the surface. Learn more
The killer whale is easily recognized by its distinctive black and white color pattern and size, males growing up to 30 feet. Learn more
In 2006 the Baiji, or Yangtze River Dolphin was declared extinct by an organization devoted to its conservation. Learn more
Whether scary or exciting, nature has a way of sneaking up on you. See stories
Hear some of nature's success stories and see how nature matters to us all. Watch videos
Coast live oak trees punctuate the prairie grasslands at Chimineas Ranch, a protected wildlife corridor linking the Carrizo Plain National Monument with Los Padres National Forest, located within San Luis Obispo County, California. © Mark Dolyak