Cows usually conceive for the first time as three-year olds. Though calves can be born at any time of the year, the calving season usually begins in April after a 9 month gestation period. Calves are orange-red in color and are up and moving within 3 hours of birth. They stay very close to their mother for the first few weeks. Cows are very protective of their young. Eventually, calves venture further away from their mothers, playing with other youngsters in nursery groups, while always under the watchful eyes of other cows within the herd. After 3 months, the orange-red baby coloration starts to change to dark brown and the hump and horns begin to form. Calves remain with their mothers for about a year, or until another calf is born.
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