Beira

AT A GLANCE
Common Name: Beira
Scientific Name: Dorcatragus megalotis
Category: Mammals
Subcategory: Antelopes & Gazelles
Size: Shoulder height 50 to 60 cm (20 to 24 in); head-body length 80 to 90 cm (31 to 35 in)
Weight: 9 to 12 kg (20 to 26 lb)
Lifespan: 8 to 12 years in the wild
Diet: Herbivorous mountain browser (dwarf acacia leaves, desert herbs, succulent mountain scrub, and seeds)
Habitat: Arid scree slopes, steep rocky mountain cliffs, and boulder-strewn arid ridges
Range: Horn of Africa (Somalia, Somaliland, Djibouti)
Conservation Status: Vulnerable (IUCN Red List)

Overview

The Beira (Dorcatragus megalotis) is an extraordinary, elusive dwarf antelope endemic to the scorched, vertical limestone mountains of the Horn of Africa. The sole member of its genus, this agile mountain cliff-scaler is instantly recognized by its colossal, satellite-dish ears—measuring up to six inches long—and its rubbery, shock-absorbing hooves that allow it to bound across sheer rock faces with the agility of a klipspringer.

Biology and Physical Characteristics

Dorcatragus megalotis has a sleek, grizzled slate-grey coat with warm reddish-ochre legs and a crisp white belly, accented by a dark lateral line along its flanks. Around its large dark eyes is a prominent white orbital ring. Its ears are monumental, fan-shaped, and lined with white fur, functioning as hyper-sensitive radar dishes to detect mountain predators and radiate heat in the blistering desert sun. Males carry short, straight spike horns (7 to 10 cm).

Behavior and Ecology

Inhabiting one of the most hostile, hyper-arid montane environments on Earth, the Beira spends blistering daylight hours resting in shaded rock overhangs and caves on sheer cliffs. In early morning and late afternoon, pairs or small family groups emerge to browse on drought-adapted shrubs, getting all their metabolic hydration from mountain dew and desert succulents without ever needing open water.

Conservation and Human Impact

Assessed as Vulnerable by the IUCN, the Beira faces severe threats from prolonged droughts in the Horn of Africa, livestock overgrazing, and uncontrolled poaching with military rifles in politically unstable regions. The discovery of viable populations in Djibouti’s protected mountain reserves has provided a critical sanctuary for this unique antelope.

Interesting Factoid

The Beira has the largest ears relative to body size of any antelope on Earth; its 6-inch satellite-dish ears can hear the footsteps of a sneaking leopard on rocky cliffs hundreds of yards away.