It is one of the common names of an Asian artiodactyl mammal, also known as nilgó or blue bull. Its scientific name is Boselaphus tragocamelus and belongs to the Bovidae family. It is found only in India , Nepal and Pakistan. He was introduced to the State of Texas in the United States.
Nilgo : Mammal cavicornium antilopine . The male has short, smooth and little hunched horns, crín on the neck and lock of hairs on the throat, being bluish. The female has four breasts, lacks horns and is tawny in color.