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Antlers are considered one of the most exaggerated cases of male secondary sexual traits in the animal kingdom, [10] and grow faster than any other mammal bone. [11] Growth occurs at the tip, and is initially cartilage, which is later replaced by bone tissue. Once the antler has achieved its full size, the velvet is lost and the antler's bone dies.
A deer (pl.: deer) or true deer is a hoofed ruminant ungulate of the family Cervidae (informally the deer family). Cervidae is divided into subfamilies Cervinae (which includes, among others, muntjac , elk (wapiti), red deer , and fallow deer ) and Capreolinae (which includes, among others reindeer (caribou), white-tailed deer , roe deer , and ...
One comparative element he used was the skeletal measurements of a single mule deer, but he did not provide the data on sex, age or locality. However, from data provided by Klein (1964) [3] and McMahon (1975), [4] the relative lower leg length of mule deer can vary at least by 22%.
The Cervinae or the Old World deer, are a subfamily of deer.Alternatively, they are known as the plesiometacarpal deer, due to having lost the parts of the second and fifth metacarpal bones closest to the foot (though retaining the parts away from the foot), distinct from the telemetacarpal deer of the Capreolinae (which have instead retained these parts of those metacarpals, while losing the ...
Alternatively, they are known as the telemetacarpal deer, due to their bone structure being different from the plesiometacarpal deer subfamily Cervinae. The telemetacarpal deer maintain their distal lateral metacarpals , while the plesiometacarpal deer maintain only their proximal lateral metacarpals. [ 1 ]
The species became extinct approximately 11,500 years ago, toward the end of the most recent ice age, as part of a mass extinction of large North American mammals. [7] [8] The first evidence of Cervalces scotti found in modern times was discovered at Big Bone Lick, Kentucky by William Clark, circa 1805.
Black-tailed deer or blacktail deer occupy coastal regions of western North America. There are two subspecies, the Columbian black-tailed deer (Odocoileus hemionus columbianus) which ranges from Northern California into the Pacific Northwest of the United States and coastal British Columbia in Canada., [1] and a second subspecies known as the Sitka deer (O. h. sitkensis) which is ...
File:A collection of buffalo, elk, deer, mountain sheep and wolf skulls and bones near Fort Sanders. Albany County, Wyoming. - NARA - 516956.jpg cropped 5 % horizontally and 24 % vertically using CropTool with lossless mode.