[frankgrimesjr]

> Twelve orcas swimming down their quarry until it grows tired

Looks like humans aren't the only predators who use persistence hunting.

[beerandt]

It'd be interesting to know if besides mental capacity, is there a physiological advantage required in the water for this to be a successful strategy, as there seems to be on land.

That is, comparable to humans (and to a lessor extent canines') ability to regulate body temperature for long durations in the heat.

[saxonww]

Dogs and wolves do this too.