Does age affect the social hierarchy among whitetail deer?

Age as a Factor in Dominance

Whitetail deer social hierarchy is influenced by age, with dominance increasing as deer mature. A study on a Wisconsin deer herd found that older bucks (7-10 years) held dominance over younger bucks (2-5 years), with the older bucks having priority access to mating and food resources. Older does also maintain high ranks, especially if they have successfully raised fawns in the past.

Social Structure and Age-Based Dominance

A typical whitetail deer bachelor group, consisting of 2-5 young bucks, often has a clear hierarchy with younger bucks submitting to the oldest and largest buck. Dominant bucks use aggressive displays, such as paw swiping and ear pinning, to maintain their position, while younger bucks display submissive behaviors, such as lowering their head and ears, to avoid conflict. As the young bucks age and mature, they challenge the dominant buck, leading to a change in the social hierarchy.

Observing Age-Based Dominance in the Field

To observe age-based dominance in the field, hunters and wildlife observers should look for clear signs of dominance, such as a buck’s size, antler growth, and aggressive behavior. Younger bucks will often follow older bucks, and their body language will indicate whether they are submissive or dominant. By understanding age-based dominance, hunters can gain a deeper appreciation for whitetail deer behavior and social dynamics, as well as develop effective strategies for hunting and managing deer populations.