Stunning drone video shows ’loving’ killer whales – ‘It took our breath away’

Three species of killer whale exist off the British Columbia coast: offshore killer whales, transient killer whales, and resident killer whales.

The Hakai Institute team decided to study the resident killer whales, split into a northern and southern group who are most endangered by threats to food supply.

Fewer than 75 animals are left in the group of southern whale residents now thought to be endangered.

The most surprising aspect of the footage was the extent of the playful and affectionate behaviour shared between the animals, something invisible from the air.

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