Explanation

The bearded vulture is the only known vertebrate whose diet consists almost exclusively of bone.

Explanation

Rhino horn is made up primarily of keratin – a protein found in hair, fingernails, and animal hooves.

Explanation

Elephants are the largest existing land animals. Three species are currently recognised: the African bush elephant, the African forest elephant, and the Asian elephant. Elephantidae is the only surviving family of the order Proboscidea; extinct members include the mastodons.

Explanation

Komodo dragon, largest extant lizard species. The dragon is a monitor lizard of the family Varanidae.

Explanation

The hippopotamus, also called the hippo, is a large, semiaquatic mammal and ungulate native to sub-Saharan Africa.

Lifespan: 40 – 50 years

Diet: Herbivore

Diet: Herbivore

Explanation

Explanation

Explanation

Explanation

Koalas have fingerprints which are almost identical to those of humans.

Explanation

Giraffes have the highest known blood pressure of any creature on earth for a very good reason: their hearts are fighting gravity every step of the way.