View source for Bos

==Ecology==
Most ''Bos'' species have a lifespan of 18–25 years in the wild, with up to 36 being recorded in captivity. They have a 9–11 month [[gestation]], depending on the species and birth one or, rarely, two young in the spring.<ref>[https://www.britannica.com/animal/cow]. Huffman, Brent. 2025, April 25. ''Cow.'' Britannica.</ref>

Most species travel in small herds ranging in size from ten to thirty members. Within most herds, there is one [[bull]] (male) for all the [[cow]]s (female). [[Dominance (ethology)|Dominance]] is important in the herds;<ref name=vVuure2003/> calves will usually inherit their mother's position in the [[hierarchy]].{{Citation needed|date=May 2011}}

They are generally [[Diurnal animal|diurnal]], resting in the hot part of the day and being active morning and afternoon. In areas where humans have encroached on the territory of a herd, they may turn [[nocturnal]]. Some species are also migratory, moving with food and water availability.{{Citation needed|date=May 2011}}