Approximately 100 species become extinct each day. In addition, there are many species classified as endangered and are in danger of extinction in most or all of their natural range. This large animal is generally brown or black with a humplike ridge on the back and with white or yellow stockings on all four legs. Adult males have shoulder heights of 5.6-7.2 feet and weigh up to 2,200 pounds.
Females are about one third smaller than males.
Both genders have horns, which are flattened at the base, strongly curved and sweep backward and inward. Both genders also have shoulder humps, with males having especially pronounced humps. Gaurs live in herds of at least 8-12 individuals, which are led by a single, older bull. Gaurs are basically diurnal, when not disturbed. Where human activities have disturbed populations, however, the gaur has become largely nocturnal.