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Nearly all deer have a facial gland in front of each eye. The gland contains a strongly scented pheromone, used to mark its home range. Bucks of a wide range of species open these glands wide when angry or excited. All deer have a liver without a gallbladder. Deer also have a tapetum lucidum, which gives them sufficiently good night vision.
Strong conservation efforts have allowed white deer to thrive within the confines of the depot. The white-tailed deer's horizontally slit pupil allows for good night vision and color vision during the day. Whitetails process visual images at a much more rapid rate than humans and are better at detecting motion in low-light conditions. [12]
Erin Larson, deer herd health specialist at the Wisconsin Department of Natural Resources, notes that deer that develop corn toxicity can be dead within six to ten hours after consuming grain. 3 ...
Deer have seven types of external scent glands distributed across their bodies. These are the forehead glands (on the forehead), the preorbital glands (below the eyes), the nasal glands (inside the nostrils), the interdigital glands (between the toes), the preputial gland (inside the foreskin of the deer's penis ), the metatarsal glands ...
To ensure a safe season, DNR conservation officers are sharing best practices and tips to avoid the most common violations and mistakes they see every year.
Piebald deer also have a genetic mutation affecting coloration but to a lesser degree than true albinos. The Piebald recessive gene causes deer to be mostly white with patches of normal fur color.
Marsh deer resemble the North American mule deer or blacktail deer. They possess very large ears lined with white hairs, red-gold to tawny brown fur, blackish eyes and long dark legs. The hair turns darker during winter. There are also white marks on the hips and around the eyes. The legs are black below the tarsal as is the muzzle.
The ancestors of deer had tusks (long upper canine teeth). In most species, antlers appear to replace tusks. However, one modern species (the water deer) has tusks and no antlers and the muntjacs have small antlers and tusks. The musk deer, which are not true cervids, also bear tusks in place of antlers. [6]