Deer grow to about 6 feet long and stand 3 to 4 feet high. They are reddish or grayish in color, depending on their habitat and the time of year. The weight of whitetails varies, from 100 to more than 300 pounds.
The lifespan of a whitetail is 11 to 12 years (17 to 20 years in captivity). But most free-roaming deer never live that long; they are hit by cars, succumb to disease, killed by predators or shot by hunters. In heavily hunted areas, many bucks live only 1½ or 2 ½ years.
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Whitetails are clever and wary. Mother Nature has blessed deer with keen senses that allow them to survive in a world crowded with predators. For example, whitetails possess a powerful sense of smell, one that is unfathomable to humans. Deer rely on smell for almost everything, from choosing a mate to detecting a predator. Deer possess many interesting physical characteristics, such as antlers and glands.