Buffaloes are the family suckling of the family Buffaloidae. Body size hypertrophy. Large head; Both male and female heads have a pair of horns, the horns are long and slightly flat, curved, the upper part has many nostrils, the forehead is wide, the mouth is large, the upper part of the upper lip has two large nostrils, the skin is hard and smooth, hairless; The nose is wide; The eyes and ears are very large; The neck is short; Waist-abdominal protuberance, limbs are short; The skin is thick, the anterior part of the body is dense, and the back and chest and abdomen are sparse. The body color is mostly gray-black, but also yellow-brown or white. It is named for its habit of being fond of water. Life can reach 20-30 years.

Paleontologists have described a new species of giant carnivorous dinosaur from a fairly complete skeleton in Patagonia, Argentina. The discovery could help shed light on the mystery of why such powerful predators have almost comical little arms. The new species, named Meraxes gigas, weighs more than 4 tons, is nearly 11 meters long and has a huge skull with a length of 1.3 meters.