A whale that washed up on the shore of a New Zealand beach might be from a rare species, called spade-toothed whale.

Spade-toothed whales are the world's rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern Pacific Ocean.

Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern Pacific Ocean.

The world's rarest whale is believed to have washed ashore on a New Zealand beach, the country's conservation authority said on Monday. The whale is so rare that since the 1800s, only six specimens have ever been known to science,

Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern Pacific Ocean.