Killer whales, much like humans, are highly intelligent animals with a complex social structure, and a new study has found that one of the apex predators of the ocean can form close friendships.

Drones followed three pods of orcas, containing a total of 72 whales, and researchers from the University of Exeter analysed their behaviour.

They looked for signs of two individuals touching and surfacing together, both indicators of a strong bond. 

Read the full story here: https://www.telegraph.co.uk/news/2021/06/16/killer-whales-form-close-friendships-help-relieve-stress-just/

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