Elephants are called pachyderms, which means "thick-skinned".

Elephant

Elephants are called pachyderms, which means "thick-skinned".

Elephant with hay

Elephant

Elephant with hay

"Skeleton and Outline of African Elephant (Elephas or Loxodon africanus). fr, frontal; ma, mandible; ma', malar; fi, "finger" at end of trunk; C, cervical vertebrae; D, dorsal vertebrae; D, dorsal vertebrae; pe, pelvis; sc, scapula; st, sternum; hu, humerus; ul, ulna; ra, radius; mc, metacarpus; fe, femur; pat, patella; tib, tibia; fib, fibula; met, metatarsus." -Whitney, 1911

African Elephant Skeleton

"Skeleton and Outline of African Elephant (Elephas or Loxodon africanus). fr, frontal; ma, mandible;…

The elephant is the largest living land animal and is distinguished by its large ears and long trunk.

Indian Elephant

The elephant is the largest living land animal and is distinguished by its large ears and long trunk.

This one-horned rhinoceros is an Asian breed. The skin of an Asian rhino is rougher and more folded than its African counterpart.

Rhinoceros

This one-horned rhinoceros is an Asian breed. The skin of an Asian rhino is rougher and more folded…