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

Watch video clips from past programmes (1 clip)

In order to see this content you need to have an up-to-date version of Flash installed and Javascript turned on.

When they lived

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