Stream Mysteries of the Deep FREE with Your TV Subscription! Mule deer’s defining characteristic are their large ears, which are about three-fourths the length of the head. This divergence segregates species ecologically and thus minimizes potential food competition between species sharing the same space. Glaciers ground rock into highly fertile waterborne silt and wind-borne loess that refertilized landscapes and rejuvenated the soil. The single antlerless form, the Chinese water deer (Hydropotes inermis), reflects an earlier pre-antler condition, as is shown by the fossil record. Department of Natural Resources - Eddy Discovery Center. R. Soc. The relative demand for energy and nutrients declines with body size but increases exponentially for antler growth. Today values and instincts mean something totally different. Normally shed after the mating season, antlers may be retained in some territorial tropical deer for more than a year. Let us know if you have suggestions to improve this article (requires login). INDIANAPOLIS (AP) — The discovery of a deadly deer disease in Ohio is renewing concerns that interstate shipments of farm-raised deer could decimate Indiana's white-tailed deer herd. Antlers are “bone horns” that are grown and shed annually. Omissions? deer - Children's Encyclopedia (Ages 8-11), deer - Student Encyclopedia (Ages 11 and up). Like other families of large mammals that colonized extreme Ice Age environments, deer diversified and evolved into grotesque giants that had ornate coat patterns and large, bizarre antlers, which could grow only from nutrient-rich soils. The deer populations before 1775 were healthy and stable because of good food and cover. Deer have several other distinguishing characteristics. These requirements cannot be obtained from grasses but only from nutrient-rich dicotyledonous plants. The requirement for nutrients and energy has severe repercussions on the ecology of deer. Control: Deer Control. Therefore, large-bodied species require more nutrients and energy to grow antlers than do small-bodied species. (Musk deer resemble primitive deer in that males are armed with tusks.). This column has looked at deer hair and digestion, followed the glamorous life of a biologist, and busted some old wives' tales about our beloved state animal. All deer lack the gall bladder. There will be no fun in the sun this summer for Central Albertans at Discovery Canyon. A Vietnamese and Russian expedition acquired a chevrotain that was already hunted, and that 1990 discovery was only the fifth chevrotain ever recorded, according to the report. Discovery: CWD prions are present in the leg muscles of infected deer. Back then deer weren’t only a source of food, either. In this primitive condition males have long, sharp upper canines, called tusks, that are used for slashing and stabbing in territorial contests. CWD occurs only in members of the cervid or deer family -- both wild and captive. Read more. Instead, they are highly selective feeders on young grasses, herbs, lichens, foliage, buds, aquatic plants, woody shoots, fruit, and natural ensilage—that is, plant food characterized by low fibre but high protein content, toxicity, and digestibility. Read verified and trustworthy customer reviews for Discovery Walk-In & Medical Clinic or write your own review. The blood-engorged, growing antlers are warm to the touch and quite sensitive. Water deer from Woburn and another British park escaped, resulting in a feral population existing in parts of England. They have a distinctive black forehead, or mask, that contrasts with a light gray face. Discovery Canyon, Red Deer: Address, Phone Number, Discovery Canyon Reviews: 4/5 Antlers finish growing before the mating season and are used as weapons and shields in combat or as display organs in courtship. The discovery of deer from a captive herd in the wild raises significant concerns as the Commission attempts to combat the expansion of CWD. For instance, after a forest fire, an area normally passes through several ecological plant successions within a few decades before the original conditions are restored. An adult female deer, a doe, gives birth to two young fawns and raises them through their perilous juvenile period until they can fend for themselves. One major issue that comes along with feeding wildlife is that they’re generally being fed something that’s not part of their diet. A deer species that hides and, if discovered, departs in rapid jumps to hide again requires forests and thickets, while a highly specialized runner needs flat, unobstructed terrain to outrun predators. Watch Full Episodes, Get Behind the Scenes, Meet the Cast, and much more. SEDALIA — The Graves County Sheriff’s Office reports that four suspects were arrested, one is still on the loose and, along the way, a baby deer was discovered where deputies executed a … Texas Parks and Wildlife Department confirmed the discovery of chronic wasting disease in a 5 ½-year old white-tailed doe in Val Verde County on Thursday. Professor Emeritus of Environmental Science, Faculty of Environmental Design, The University of Calgary. Found primarily in woodlands, it lives in Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The growing antlers are encased in “velvet,” a highly vascularized, nerve-filled skin covered by short, soft hairs. Evolution of hunting over the past 4 million years ago that the deer. Antipredator strategies males are armed with tusks. ) highly vascularized, nerve-filled skin covered short... Editors will review what you ’ ve submitted and determine whether to the... 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