When faced with a killer whale should you fight or flee?

Killer whales have a formidable reputation as one of the ocean's most ferocious predators. Hunting stealthily in packs, some populations pursue ocean-going mammals, however, other killer whales prefer to dine on a diet of fish alone, posing little or no threat to the mammals that share their waters. Knowing that some species, including birds and mammals, are capable of assessing the risk that they are under from predators in the vicinity, Matthew Bowers from Duke University and colleagues wondered whether aquatic mammals that are known to reside alongside killer whales and feature on their menu could distinguish the calls of the predatory killers from those of other marine mammals. With his Ph.D. supervisors, Douglas Nowacek and Andrew Read from Duke University, USA, and Ari Friedlander (University of California at Santa Cruz, USA), Vincent Janik (University of St Andrews, UK) and Brandon Southall (Southall Environmental Associates, USA), Bowers decided to investigate how pilot whales and Risso's dolphins rea

When faced with a killer whale should you fight or flee?

Charge! THAT the best form of defence is attack is an old maxim. In reality, it is frequently untrue; running away is a far better option. But it seems to be the approach taken by pilot ...

Thu 14 Jun 18 from The Economist

A dolphin listens for danger

The species can distinguish between a threatening predator, and one just passing by.

Tue 12 Jun 18 from Cosmos Magazine

Threatened whales and dolphins recognize predatory killer whales from their alarming calls

Killer whales have a formidable reputation as one of the ocean's most ferocious predators. Hunting stealthily in packs, some populations pursue ocean-going mammals, however, other killer whales ...

Tue 12 Jun 18 from Phys.org

Threatened dolphins recognise predatory killer whales from their alarming calls

Scientists at Duke University in North Carolina said the calls project the whales' intent and could warn potential victims of the killer in their midst.

Tue 12 Jun 18 from Daily Mail

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