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Male antlers can grow to lengths of fifty-one inches, while female antlers are smaller, at twenty inches. So, where do reindeer live? ... Reindeer and caribou herds have shrunk by 56% since the ...
A leading hypothesis for why female caribou evolved to grow antlers suggests their antlers are the result of evolutionary changes due to their habitat. Cold tundra with a notable lack of resources ...
Quebec-Labrador male caribou antlers can be significantly larger and wider than other woodland caribou. Central barren-ground male caribou antlers are perhaps the most diverse in configuration and can grow to be very high and wide. Osborn's caribou antlers are typically the most massive, with the largest circumference measurements. [124]
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.
Antlers are usually found only on males. Only reindeer (known as caribou in North America) have antlers on the females, and these are normally smaller than those of the males. Nevertheless, fertile does from other species of deer have the capacity to produce antlers on occasion, usually due to increased testosterone levels. [8]
Both male and female boreal woodland caribou have antlers [12] during part of the year, although some females may have only one antler or no antlers at all (Boreal Caribou ATK Reports, 2010–2011). [33] On the males these grow so quickly each year that velvety lumps in March can become a rack measuring more than a metre in length by August.
Male antlers grow more branching points and measure anywhere between 39 inches and 53 inches in beam length, whereas female antlers only measure about 20 inches and generally have a simpler structure.
Like the Peary caribou, both the males and females have antlers. In general, during the summer, the coat of the caribou is brown, and much lighter in the winter. The neck and rump tend towards a creamy-white colour. However, the general coloration may differ depending on the region.