Deer

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Encyclopedic article about deer


Various species of deer

Deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the reindeer (caribou), the white-tailed deer, and the moose.

Characteristics[edit | edit source]

Deer are known for their antlers, which are extensions of their skulls. These antlers are typically found only on males, with the exception of the reindeer, where both sexes have antlers. Antlers are shed and regrown annually, and their size and complexity can vary greatly among species.

Deer have a four-chambered stomach, which allows them to digest a variety of vegetation. They are primarily browsers, feeding on leaves, shoots, and twigs, but some species also graze on grasses.

Distribution and Habitat[edit | edit source]

Deer are found in a wide range of habitats, from the tundra of the Arctic to the tropical rainforests of Asia. They are native to all continents except Australia and Antarctica.

Reindeer in their natural habitat

Behavior[edit | edit source]

Deer are generally social animals, often forming herds. The size and composition of these herds can vary depending on the species and the time of year. During the breeding season, known as the rut, males compete for access to females, often engaging in displays of strength and dominance.

Reproduction[edit | edit source]

Most deer species have a specific breeding season, during which males will compete for the attention of females. After mating, females typically give birth to one or two fawns after a gestation period that can range from six to eight months, depending on the species.

Ecological Role[edit | edit source]

Deer play a significant role in their ecosystems as herbivores. They help control plant growth and serve as prey for a variety of predators, including wolves, bears, and big cats.

Chital, also known as spotted deer

Human Interaction[edit | edit source]

Deer have been hunted by humans for thousands of years for their meat, hides, and antlers. Today, they are also a popular subject for wildlife photography and ecotourism. However, in some areas, deer populations have grown to levels that can cause ecological damage and lead to conflicts with humans.

Conservation[edit | edit source]

While many deer species are abundant and widespread, some are threatened by habitat loss, hunting, and other human activities. Conservation efforts are in place to protect these species and their habitats.

White-tailed deer in a forest

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Contributors: Prab R. Tumpati, MD