Scientific classification

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Rhinocerotidae

Scientific names

White Rhinoceros (Ceratotherium simum)
Black Rhinoceros (Diceros bicornis)
Great One-horned Rhinoceros (Rhinoceros unicornis)
Sumatran Rhinoceros (Dicerorhinus sumatrensis)
Javan Rhinoceros (Rhinoceros sondaicus)

Current Numbers
(credit - rhinos-irf.org)

White rhino: 17,480
Black rhino: 4,280
Greater One-horned rhino: 2,700-2,850
Sumatran rhino: 200
Javan rhino: 35-55