Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They ...

But researchers studying the mammal couldn’t confirm whether the species was extinct until 2010, when two whole spade-toothed whales, both dead, washed up on a New Zealand beach.

Only seven spade-toothed whales have ever been spotted and very little is known about the species. Photo by MICHAEL HAYWARD/DEPARTMENT OF CONSERVATION – NEW ZEALAND/AFP via Getty Images Only six ...

But researchers studying the mammal couldn’t confirm whether the species was extinct until 2010, when two whole spade-toothed whales, both dead, washed up on a New Zealand beach.

But researchers studying the mammal couldn’t confirm whether the species was extinct until 2010, when two whole spade-toothed whales, both dead, washed up on a New Zealand beach.

But researchers studying the mammal couldn’t confirm whether the species was extinct until 2010, when two whole spade-toothed whales, both dead, washed up on a New Zealand beach.

DNA sequencing in 2002 proved that all three specimens were of the same species — and that it was distinct from other beaked whales. But researchers studying the mammal couldn’t confirm whether the ...

DNA sequencing in 2002 proved that all three specimens were of the same species — and that it was distinct from other beaked whales. But researchers studying the mammal couldn’t confirm whether the ...