A pod of orcas out at sea at dawn

Oceanic dolphins

Dolphins, killer whales and pilot whales make up the Delphinidae, which is the largest family of cetaceans. They travel in groups, known as pods, and are renowned for their intelligence.

Scientific name: Delphinidae

Rank: Family

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When they lived

Discover the other animals and plants that lived during the following geological time periods.

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