Commenting on how much affectionate physical contact the animals shared Professor Trites said: “We like to think we are hardened research scientists, but it tugged at our heart strings. Especially the mum and calf.
“These drones are opening up avenues of their lives we have never seen before.
“The same way we hug our kids and hug our friends, touch furthers those bonds.
“That’s the power of touch, and here we have killer whales reminding us of that — who would have thought?”
source: express.co.uk