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Unlike horns which are more permanent, deer shed their antlers and grow new ones annually. Male reindeer, known as bulls, shed their antlers in November, just before Christmas, and grow them back ...
Among deer species, reindeer antlers are the largest, and they are also unique in that they are present on both male and female reindeer. Every year, reindeer antlers shed their old antlers to ...
Wolves in Yellowstone National Park are 3.6 times more likely to attack individual male elk without antlers, or groups of elk in which at least one male is without antlers. [25] Half of all male elk killed by wolves lack antlers, at times in which only one quarter of all males have shed antlers.
Female reindeer grow antlers that are significantly smaller than their male counterparts. Male reindeer grow antlers as long as 50 inches after multiple seasons of shedding.
When male reindeer shed their antlers in early to mid-winter, the antlered cows acquire the highest ranks in the feeding hierarchy, gaining access to the best forage areas. These cows are healthier than those without antlers. [135] Calves whose mothers do not have antlers are more prone to disease and have a significantly higher mortality. [135]
Male reindeer (bulls) weigh on average 70 to 150 kg (154 to 331 pounds), while females (cows) weigh on average 40 to 100 kg (88 to 220 pounds). Both bulls and cows have antlers, but cows do not use them to battle one another; instead, like some bovids, they use their antlers to defend food or territory from intruders. Their summer coat is ...
Reindeer have more prominent and denser antlers than whitetail deer. However, the critical difference is in sexual dimorphism. Female reindeer have antlers, while female whitetail deer don’t.
As the whaling industry came to an end in the 1960s, and in the absence of a permanently resident human population, the reindeer population, in two geographically separated wild herds, increased to the point where their presence was causing environmental damage. This led to a decision to eradicate them, a program carried out between 2013 and 2015.