01/11/2026
Bitis gabonica
1. INTRODUCTION
- Common name: Gaboon Viper / Gaboon Adder
- Scientific name: Bitis gabonica (Duméril, 1854)
- Status: Forest Herping
- Why clients seek it: Largest, most camouflaged, most impressive viper in Africa
2. TAXONOMY & CLASSIFICATION
- Family: Viperidae
- Subfamily: Viperinae
- Related species: Bitis nasicornis (Rhinoceros Viper)
3. PHYSICAL CHARACTERISTICS
- Size: 120-180cm (max 205cm), 7-10kg
- Head: Large triangular, with two horn-like scales between nostrils
- Pattern: Brown, cream, black geometric leaf-mimic pattern
- Fangs: Longest of all snakes – up to 55mm
- Distinction: Thickest body of any viper, velvet-like scales
4. DISTRIBUTION & HABITAT
- Africa: Central & West Africa rainforests
- Uganda: Nkima Forest, Maramagambo, Semuliki, Kibale, Budongo
- Micro-habitat: Primary forest leaf litter, swamp edges, rodent trails, under fallen logs
5. BEHAVIOR & ECOLOGY
- Activity: Nocturnal & crepuscular, ambush predator
- Diet: Rats, giant pouched rats, small duikers, birds
- Reproduction: Viviparous, 20-60 babies, rainy season
- Temperament: Extremely docile, reluctant to bite – relies on camouflage
- Movement: Slow, rectilinear – rarely moves more than 10m per day
6. VENOM & SAFETY PROTOCOL
- Venom type: Cytotoxic + mild hemotoxic, high yield (400-600mg)
- Risk: Dangerous but bite is rare (needs provocation/stepping on)
a. 2m observation distance
b. Snake hook only – no hand handling.