beluga

The sighting was unusual because the beluga was so tame and they're rarely seen as far south.

One Whale was founded to track the beluga, which rose to fame after being spotted in Norwegian waters five years ago.

A beluga whale suspected of having been trained as a spy by Russia has been found dead off the Norwegian coast.

Menopause is known to exist in five species of toothed whale: short-finned pilot whales, false killer whales, killer whales, narwhals and beluga whales.

They found females of five "menopausal" species - narwhals and beluga, short-finned pilot, false killer and killer whales - lived about four decades longer than other toothed whales.