Perissodactyla

The “Odd-Toed” Mammals

Origin

Equidae

Tapiridae

Rhinocerotidae

Odd-Toed?

Rhino

Other Key Features that differ from Artiodactyls

• Single chamber stomachs• Horns lack bony cores• Molars and premolars in

modern species are Lophodont, as apposed to Selenodont and Bunodont in Artiodactyls

Tapirus indicus

Ranges through Western Thailand, Malaysia, and Sumatera.

Endangered due to habitat loss and increasing pressure from hunting.

Equus grevyi Confined to Ethiopia and Kenya

Endangered, with total mature population estimated at 750.

Rhinoceros unicornis, Indian Rhino. Confined to 10 sites within India. Status: Vulnerable, strictly protected, though habitat quality is on the decline.

Still hunted for their horns

All remaining rhinos are in trouble

• Sumatran and Javan rhinos are critically endangered. • Subspecies of Javan declared

extinct in 2011.

• White Rhino believed to be extinct in the wild. Few captive individuals remain. • Black rhinos once estimated at

100,000 in the early part of the 20th century. Population now hovers around 5,000.