nilgai boselaphus tragocamelus blue cow

adult animal antelope asian baby beast beautiful bharatpur biological biology black blue boselaphus buck bull calf cattle cervid cow creature cub cute deer endangered exotic fauna female friendly fur game gazelle healthy herbivore herbivorous indian keoladeo kid largest mammal national nature neelgai nilgai nilgau northern park species speed spots subcontinent tragocamelus ubiquitous ungulate veal white wildlife zoo