Deer/dɪr/ Definition 1 of 2Pro Tip 1/3Animal Gender Male deer are often called 'bucks', 'stags', or 'bulls', and females are 'does' or 'hinds'. The majestic stag and doe stood at the forest's edge. Pro Tip 2/3Deer Groups Deer often travel in groups called 'herds', which provide safety and social interaction. A herd of deer was silhouetted against the setting sun. Pro Tip 3/3Antler Shedding Male deer shed their antlers yearly, so their presence or absence indicates the season. The buck will grow new antlers after shedding them in winter.