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The gerenuk [a] (Litocranius walleri), also known as the giraffe gazelle, is a long-necked, medium-sized antelope found in parts of East Africa. The sole member of the genus Litocranius, the gerenuk was first described by the naturalist Victor Brooke in 1879. It is characterised by its long, slender neck and limbs.
By comparison, numerous deer species are usually found in regions of the world with fewer or no antelope species present, such as throughout Southeast Asia, Europe and all of the Americas. This is likely due to competition over shared resources, as deer and antelope fill a virtually identical ecological niche in their respective habitats.
Though not an antelope, it is known colloquially in North America as the American antelope, prong buck, pronghorn antelope and prairie antelope, [5] because it closely resembles the antelopes of the Old World and fills a similar ecological niche due to parallel evolution. [6] It is the only surviving member of the family Antilocapridae. [7]
A dik-dik is the name for any of four species of small antelope in the genus Madoqua, which live in the bushlands of eastern and southern Africa. [1]Dik-diks stand about 30–40 centimetres (12–15.5 in) at the shoulder, are 50–70 cm (19.5–27.5 in) long, weigh 3–6 kilograms (6.6–13.2 lb) and can live for up to 10 years.
The term "oryx" comes from the Greek word ὄρυξ, óryx, for a type of antelope. The Greek plural form is óryges, although "oryxes" has been established in English. Herodotus mentions a type of gazelle in Libya called ὄρυς, orus, probably related to the verb ὀρύσσω, orussō, or ὀρύττω, oruttō, [4] meaning "to dig". White ...
Stotting occurs in several deer species of North America, including mule deer, pronghorn, [3] and Columbian black-tailed deer, when a predator is particularly threatening, [4] and in a variety of ungulate species from Africa, including Thomson's gazelle and springbok. [5] It is also said to occur in the blackbuck, a species found in India. [6]
A close-up of a male Thomson's gazelle: males have horns that are thicker and longer than those of the female. Thomson's gazelle is a relatively small gazelle; it stands 60–70 cm (24–28 in) at the shoulder. Males weigh 20–35 kg (44–77 lb), while the slightly lighter females weigh 15–25 kg (33–55 lb).
The impala is a medium-sized, slender-bodied antelope, comparable to the kob, puku and Grant's gazelle in size and build. [17] The head-and-body length is around 130 centimetres (51 in). [18] Males reach approximately 75–92 cm (30–36 in) at the shoulder, while females are 70–85 cm (28–33 in) tall.