beaked

But a northern population of beaked hazelnuts revealed something surprising: five distinct genetic subgroups, four of which could be traced to far-flung locations across British Columbia, some 800 kilometers away.

He stressed also that there is still little known about how animals, such as beaked whales and squid, use this ecosystem.

The five-metre long, beaked creature's identity was determined from its colour patterns and the shape of its skull, beak and teeth.

They found Cuvier's beaked whales, bottlenose dolphins and sperm whales -- including a young adult male previously seen off southern France.

The record holder for the deepest dive by a mammal is a Cuvier's beaked whale, which in 2014 was measured to dive at least 2992 meters.