Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

A whale-watching tour company in Northern California captured rare footage of a dolphin super pod — featuring about 2,000 dolphins breaching off of the coast of Monterey.

A pod of northern right whale dolphins was spotted near the Channel Islands, off the Southern California coast, drone footage shows. This footage was captured by Eli Parnes-Katz, also known as ...

By the end of the ride, the group had counted more than 2,000 dolphins, including light gray baby calves, several hundred Pacific white-sided dolphins, and northern right whale dolphins.

SAN FRANCISCO — A California boat captain captured rare video of a super pod of more than 2,000 dolphins breaching off the coast of Monterey Bay, including the more elusive northern right whale ...

A California boat captain has captured rare video of a super pod of more than 2,000 dolphins breaching off the coast of Monterey Bay, including the more elusive northern right whale dolphin ...

Northern right whale dolphins usually travel in smaller clusters of 100 or 200 but may have formed the bigger pod to fend off predators or feed together, experts said.

A California boat captain has captured rare video of a super pod of more than 2,000 dolphins breaching off the coast of Monterey Bay, including the more elusive northern right whale dolphin.

A California boat captain has captured rare video of a super pod of more than 2,000 dolphins breaching off the coast of Monterey Bay, including the more elusive northern right whale dolphin ...

A California boat captain has captured rare video of a super pod of more than 2,000 dolphins breaching off the coast of Monterey Bay, including the more elusive northern right whale dolphin.

Northern right whale dolphins are often spotted farther away from shore and in deeper waters, but Evan Brodsky, a captain and videographer with private boat tour company Monterey Bay Whale Watch ...