an adult wild water buffalo basks and wallows in the dark waters of manas river

adult animal animals arnee asia asian asiatic assam basking basks bhutan big black bovid bovidae bovine bubalus buffalo bull color dark darkness dip diurnal endangered endemic evening game grass green herbivore horizontal horn horns india large light male mammal manas megaherbivore moulick national natural nature nocturnal northeast outdoor park resting river royal soumabrata sunlight wallowing wallows water waters wild wilderness wildlife