Giraffe usually give birth to a single calf throughout the year, although some locations report that conceptions are more likely during the wet season (Shorrocks, 2016). Several mother‐calf pairs will gather to form a nursery group in which all calves and their mothers are all together (Foster & Dagg, 1972; Langman, 1977). In general, lactating females spend more time foraging or drinking than nonlactating females (Fischhoff et al., 2007; Hamel & Côté, 2008). Hence, sometimes females in a nursery group