Cetaceans

Whales and Dolphins...

Cetaceans -- especially whales and dolphins -- are known for their complex social behavior

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.

Gray Whale
Amazon River Dolphin
Bottlenose Dolphin
Killer Whale/Orca
Yangtze River Dolphin

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