Cetacea (Whales And Dolphins) is an order of mammals. There are 92 species of whales and dolphins, in 69 genera and 48 families. This order has been around since the eocene epoch. They are carnivores. Reproduction is viviparous and dioecious.
EOL has data for 23 attributes, including:
The environments in which many whales and dolphins species are known to live. Select an environment to see its whales and dolphins species checklist.