The Nile Viper (Macrovipera mauritanica): North Africa's Formidable Viper

The Nile viper (Macrovipera mauritanica) is a large, venomous viperid native to North Africa and the Middle East. Key profile:

Taxonomy & Names

• Family: Viperidae, Subfamily: Viperinae.
• Synonyms: Daboia mauritanica (former genus).
• Common names: Egyptian viper, Saharan viper, Moroccan viper, North African viper.

Description

• Size: 1.2–1.8 m typical; up to 2.4 m (8 ft) exceptional.
• Build: Robust, triangular head, keeled dorsal scales, short tail.
• Coloration: Variable—brown, gray, olive, reddish; dark chevron/diamond dorsal pattern; lighter belly with dark spots.

Habitat & Range

Morocco to Egypt, south to Sudan, east to Israel/Jordan. Arid/semi-arid: rocky hills, wadis, desert fringes, oasis margins, agricultural edges. Up to 2,000 m elevation.

Behavior & Ecology

• Nocturnal/crepuscular ambush predator. Day: concealed in burrows, rock crevices.
• Prey: Rodents, small mammals, birds, lizards.
• Venom: Cytotoxic (tissue necrosis, hemorrhage) + neurotoxic components. Potentially life-threatening; polyvalent antivenom effective.
• Defensive: Hisses loudly, coils, strikes if cornered. Not aggressive unprovoked.
• Reproduction: Ovoviviparous—10–20+ live young (late summer).

Conservation & Conflict

IUCN: Least Concern (wide range, adaptable). Threats: habitat loss, persecution, roadkill. Human encounters occur in rural/agricultural areas; education + proper footwear reduce bites.