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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).
It has a distinct, thin (2–4 cm (0.79–1.57 in)-high) black band that runs from the elbow to the stifle (hind leg). Its face is bordered by a pair of white stripes that runs from the eye to the corner of the mouth, which are more distinct than the pale white stripes that run down the face of the red gazelle , an animal commonly confused for it.
Eudorcas, sometimes known as the ring-horned gazelles, is a genus of smaller antelope in the Bovidae family. The genus was, originally, considered a subgenus of the genus Gazella, but has since been elevated to its own generic status. [1]
Horn development in males juvenile (left); sub-adult (right) The springbok is a slender antelope with long legs and neck. Both sexes reach 71–86 cm (28–34 in) at the shoulder with a head-and-body length typically between 120 and 150 cm (47 and 59 in). [2] The weights for both sexes range between 27 and 42 kg (60 and 93 lb).
Gerenuk reproduce throughout the year. Females reach sexual maturity at around one year, and males reach sexual maturity at 1.5 years, although in the wild they may only be successful after acquiring a territory (perhaps 3.5 years). [17] The gestation period is about seven months. They are born one at a time, weighing about 3 kg (7 lb) at birth.
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]
They have a territorial male as a leader in herds and sometimes group with other species, such as Grant's gazelle joining with Thomson's gazelle. [1] They can reach top speeds of 50 miles per hour (80 km/h) and have the ability to jump and turn sharply. They have adapted well to running in open environments. [2]
[2] Horns of the male Mongalla gazelle are shorter and curved more inwards than those of the male Thomson's gazelle. [8] In 1969, Groves pointed out that the Mongalla gazelle is somewhat intermediate between the Thomson's gazelle and the Nubian red-fronted gazelle (E. r. laevipes). The size of the Mongalla gazelle is similar to the latter, but ...