Until 1965, the only evidence of the pygmy killer whale - once called the rarest mammal on Earth - consisted of a couple of museum skulls. Then a Hawaii aquarium captured a live pygmy killer whale, and scientists finally examined the strange black animal with white lips.

Feresa attenuata
Size: 2 to 2.9 m, 150 to 170 kg. Males slightly larger than females
Calves at birth: 53 to 82 cm
Teeth: 11 to 13 teeth on each side of lower jaw, 8 to 11 smaller teeth in upper jaw
Food: Probably fish. Also reported to attack dolphins
Habitat: Deep offshore waters
Range: Tropical and subtropical world ocean
Status: Population unknown

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