Gaboon Adder

Gaboon Adder

Bitis gabonica

Silhouette: Steven Traver · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Semuliki National Park
1 Verified sightings at Semuliki National Park From 2019 to 2026
10 Verified sightings across all 3 parks From 2019 to 2026
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Gaboon Adder

The Gaboon viper (Bitis gabonica), also called the Gaboon adder, is a large and highly venomous species of viper found in the rainforests and savannas of sub-Saharan Africa. It is the largest member of the genus Bitis. Like all other vipers, it is venomous, and it has the longest fangs of any venomous snake – up to 2 inches (5.1 cm) in length – and the highest venom yield of any snake. No subspecies are recognized.

The Gaboon viper was described in 1854 as Echidna gabonica. Lenk et al. (1999) discovered genetic differences between the two conventionally recognized subspecies of B. g. gabonica and B. g. rhinoceros. According to their research, these two subspecies are as genetically different from each other as they are from B. nasicornis. Consequently, they regard the western form as a separate species, B. rhinoceros.

The snake's common names include Gaboon viper, butterfly adder, forest puff adder, whisper, swampjack, and Gaboon adder. Originally a name given by the Portuguese, Gabon (Gabão) refers to the estuary on which the town of Libreville was built, in Gabon, and to a narrow strip of territory on either bank of this arm of the sea. As of 1909, Gaboon referred... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 iSimangaliso Wetland Park 🇿🇦 South Africa
~10%
2 Semuliki National Park 🇺🇬 Uganda
Insufficient data
3 Murchison Falls National Park 🇺🇬 Uganda
Insufficient data
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