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During Tanner V, females stop growing and reach their adult height. Usually, this happens in their mid teens at 14 or 15 years for females. Males also stop growing and reach their adult height during Tanner V; usually this happens in their late teens at 16 to 17 years, [medical citation needed] but can be a lot later, even into the early 20s.
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.
The sexes can be distinguished from each other by the size and shape of their antlers. Male antlers grow more branching points and measure anywhere between 39 inches and 53 inches in beam length ...
Males grow longer and thicker antlers which they use for fighting. Their antlers can grow to be as large as 51 inches long, whereas a female's antlers only grow to around 20 inches long. Another ...
Examples of secondary sex characteristics in non-human animals include manes of male lions [4] and long feathers of male peafowl, the tusks of male narwhals, enlarged proboscises in male elephant seals and proboscis monkeys, the bright facial and rump coloration of male mandrills, horns in many goats and antelopes, [10] and the swollen upper ...
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. Females grow 20-inch ...
In most deer species, only the males grow antlers. However, both male and female reindeer grow antlers. There are rare cases in other deer species in which the females grow little antlers, but ...
Antlers, which are made of bone, can grow at a rate of 2.5 cm (1 in) a day. [11] While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone. [12] The antlers are testosterone-driven and as the stag's testosterone levels drop in the autumn, the velvet is shed and the ...