National Geographic

Hippos have impressive teeth inside their huge mouths. Their molars are used for eating while their long, sharp canines—which can reach 20 inches—are for fighting. The hippo's jaw is powered by huge masseter and digastri…

Zhoushan, China Shengsi Islands are a group of approximately four hundred islands that constitute the Zhoushan Archipelago. Zhoushan is an urbanized archipelago in Zhejiang Province, China. Each of the islands in the Zho…

Enjoying the colors of autumn🍂🍁 with a cute hedgehog🦔 National Geographic

Relax🐻 National Geographic

Echidna. Their spines are actually modified hairs. Echidnas' bodies (with the exception of their undersides, faces, and legs) are covered with 2-inch long spines. Fur between the spines provides insulation. Echidnas live…