The lesser kudu (Tragelaphus imberbis ) is a forest antelope found in East Africa. It is placed in the genus Tragelaphus and family Bovidae. It was first scientifically described by the English zoologist Edward Blyth in 1869. The head-and-body length is typically 110–140 cm (43–55 in). Males reach about 95–105 cm (37–41 in) at the shoulder, while females reach 90–100 cm (35–39 in). Males typically weigh 92–108 kg (203–238 lb) and females 56–70 kg (123–154 lb). The females and juveniles have a reddish-brown coat, while the males become yellowish grey or darker after the age of 2 years. Horns are present only on males. The spiral horns are 50–70 cm (20–28 in) long, and have two to two-and-a-half twists.
A pure browser, the lesser kudu feeds on foliage from bushes and trees (shoots, twigs) and herbs. Despite seasonal and local variations, foliage from trees and shrubs constitute 60–80% of the diet throughout the year. The lesser kudu is mainly active at night and during the dawn, and seeks shelter in dense thickets just after the sunrise. The lesser kudu exhibits no territorial behaviour, and fights are rare. While females are gregarious, adult males prefer being solitary. No fixed breeding season is seen; births may occur at any time of the year. The lesser kudu inhabits dry, flat, and heavily forested regions.
The lesser kudu is native to Ethiopia, Kenya, Somalia, South Sudan, Tanzania, and Uganda, but it is possibly extirpated from Djibouti. It may have been present in Saudi Arabia and Yemen as recently as 1967, though its presence in the Arabian Peninsula is still controversial. The total population of the lesser kudu has been estimated to be nearly 118,000, with a decreasing trend in populations. One-third of the populations survive in protected areas. Presently, the International Union for Conservation of Nature rates the lesser kudu as "near threatened".
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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CrepuscularCrepuscular animals are those that are active primarily during twilight (that is, the periods of dawn and dusk). This is distinguished from diurnal...
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HerbivoreA herbivore is an animal anatomically and physiologically adapted to eating plant material, for example, foliage, for the main component of its die...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CursorialA cursorial organism is one that is adapted specifically to run. An animal can be considered cursorial if it has the ability to run fast (e.g. chee...
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BrowsingBrowsing is a type of herbivory in which an herbivore (or, more narrowly defined, a folivore) feeds on leaves, soft shoots, or fruits of high-growi...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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SocialA herd is a social grouping of certain animals of the same species, either wild or domestic. The form of collective animal behavior associated with...
A dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social gr...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withLesser kudu are forest antelopes found in East Africa. The females and juveniles have a reddish-brown coat, while the males become yellowish grey or darker after the age of 2 years. Males have a prominent black crest of hair on the neck. One long white stripe runs along the back, with 11-14 white stripes branching towards the sides. A black stripe runs from each eye to the nose and a white one from each eye to the center of the dark face. There is also a chevron between the eyes. The area around the lips is white, the throat has white patches, and two white spots appear on each side of the lower jaw. The underparts are completely white, while the slender legs are tawny and have black and white patches. Horns are present only on males and are dark brown and tipped with white in color.
Lesser kudu are native to Ethiopia, Kenya, Somalia, South Sudan, Tanzania, and Uganda. They inhabit dry, flat, and heavily forested regions, woodlands and hilly areas. These animals avoid open areas and long grass, preferring shaded areas with short grasses, instead.
Lesser kudu are mainly active at night and during the dawn, and seek shelter in dense thickets just after the sunrise. The midday is spent in rest and rumination in shaded areas. Lesser kudu are gregarious in nature. They are not territorial and fights between individuals are not common. However, when combats do occur, kudu fight by interlocking their horns and trying to push one another. One to three females, along with their offspring, may form a group. Juvenile males leave their mothers at the age of 1,5 years, and may form pairs. However, at the age of 4-5 years, males prefer a solitary lifestyle and avoid one another, though 4-5 bulls may share the same home range. Lesser kudu are shy and wary animals; they do not usually associate with other animals, except when they feed in the same area. When alarmed, they will stand motionless, confirming any danger. If kudu sense any approaching predator, they give out a short sharp bark and then make multiple leaps up to 2 m (6.6 ft) high with an upraised tail. If captured by the predator, they give a loud bleat.
Lesser kudu are herbivorous animals. They browse on foliage from bushes and trees (shoots, twigs) and herbs. These antelopes also eat flowers and fruits if available, and take small proportions of grasses, usually in the wet season.
Little is known about the mating system in Lesser kudu. They don't have a fixed breeding season and births may occur at any time of the year. The gestational period lasts around 7-8 months, after which a single calf is born. A female about to give birth leaves her group and remains alone for some days afterward. The newborn calf weighs 4-7.5 kg (8.8–16.5 lb). Around 50% of the calves die within the first 6 months of birth from disease and predation, and only 25% can survive after 3 years. The mother hides her calf while she goes out to feed, and returns mainly in the evening to suckle her young. She checks the calf's identity by sniffing its rump or neck. The mother and calf communicate with low bleats. Both males and females become reproductively mature by the time they are 1,5 years old. However, males actually mate after the age of 4 to 5 years.
The major threat to Lesser kudu is uncontrolled hunting by local people. Shyness and the ability of these antelopes to camouflage themselves in dense cover has protected them from the risks of poaching. Lesser kudu are also highly susceptible to the rinderpest outbreaks. Other threats to the survival of these antelopes include overgrazing, human settlement, and loss of habitat.
According to the IUCN Red List, the total population size of Lesser kudu is around 118,000 individuals. Currently, this species is classified as Near Threatened (NT) on the IUCN Red List and its numbers today are decreasing.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...