Overview
The Four-horned Antelope (Tetracerus quadricornis), known in Hindi as the ‘chousingha,’ is a miniature, shy bovid endemic to the dry deciduous woodlands of the Indian subcontinent. It holds the singular distinction of being the only wild mammal on Earth with four true horns. Solitary, cautious, and exquisitely camouflaged, this agile forest antelopid slips through dense grass cover and wooded ravines, depending on pristine buffer zones and reliable waterholes for daily survival.
Biology and Physical Characteristics
Tetracerus quadricornis displays a sleek, compact physique with slender legs and a slightly arched back. Its coat is reddish-brown to yellowish-fawn, fading to white on the chest, belly, and inner thighs, with dark brown markings accenting the front of each leg. Only adult males develop the signature four horns: a primary posterior pair measuring three to five inches (8–12 cm) in height, complemented by a smaller anterior pair measuring one to two inches situated between the eyes. These true horns are permanent, unbranched keratin sheaths covering bony cores. To maintain hydration, the species must drink water daily, anchoring territories near perennial streams.
Behavior and Ecology
Four-horned antelopes are predominantly solitary or pair-bonding herbivores that establish stable home ranges demarcated by communal dung piles (middens) and scent gland secretions. Extremely cautious and alert, when alarmed they emit a sharp, barking alarm call resembling a miniature dog bark before bounding through rocky slopes into thick underbrush. Their diet is highly selective, focusing on nutritious wild fruits, fallen flowers from mahua trees (Madhuca longifolia), tender legumes, and freshly sprouted grasses. Mating occurs during the monsoon season, with females giving birth to one or two altricial fawns after an eight-month gestation period.
Conservation and Human Impact
Classified as Vulnerable by the IUCN, Tetracerus quadricornis faces ongoing population declines, with fewer than 10,000 mature individuals remaining in fragmented wild populations. Primary threats encompass habitat loss from agricultural encroachment, livestock overgrazing, infrastructure highways that sever protected corridors, and bushmeat poaching. Strongholds are sheltered within premier Indian tiger reserves, such as Kanha, Bandhavgarh, and Gir National Parks, where protection of apex carnivore biomes inadvertently safeguards this specialized ungulate.
Interesting Factoid
The Four-horned Antelope is the only living mammal on the planet that grows four distinct horns, with males carrying an extra pair of miniature horn spires perched right between their eyes.
Last updated: October 2026