Killer whales

Animal rights campaigners and marine zoo official say Mediterranean is 'too warm' for killer whales.

Campaigners, politicians and zoo managers disagree on where Wikie and her son Keijo should be sent.

A whale that famously pushed its calf's dead body for 17 days in 2018 appears to be grieving again.

A pod of orcas has caused a stir by swimming up alongside onlookers at the Lerwick waterfront in Shetland.

Two people onboard the vessel, Alboran Cognac, were rescued by a passing oil tanker after the incident.

The orphaned calf swam from British Columbia after several rescue attempts by a First Nations community.

Marine experts say there could be many reasons why porpoises have died on the Northumberland coast

A solitary killer whale, or orca, has been filmed hunting and killing a great white shark in an "astonishing" attack.