Skip to content
Destinations
Weather & climate
Nature
Outdoors
Culture
Events
Sky & live
Reptile

Common Night Adder

Causus rhombeatus · Viperidae

Best monthsMar–Maymost records
Records1,017in 7 countries
Most seen inDemocratic Republic of the Congo414 records
Red ListLeast concernIUCN status
Common Night Adder
Photo: Paul venter · CC BY-SA 3.0 · Wikimedia CommonsReport this photo · linked, not stored
About

Common Night Adder in brief

The common night adder (Causus rhombeatus) is a reptile of the Viperidae family — species of reptile.

Across the 7 countries we cover it has 1,017 published records, most of them from Democratic Republic of the Congo, Zambia and Angola. It is strongly seasonal: records peak in March, April and May and fall to their lowest in September and October.

Its global conservation status is least concern on the IUCN Red List.

Records by month

All countries combined · the strongest months highlighted
Where & when

When to look in each country

Democratic Republic of the Congo414 records · best Apr, Nov
Zambia397 records · best May, Apr
Angola98 records · best Nov, Oct
Liberia67 records · best Aug, May
Ethiopia24 records · best Jul, Mar
Togo14 records · best Jan, Feb
Burundi3 records · best Apr, Jan
Map

Where it has been recorded

Density of published records; brighter cells have more records.

Relatives

More of the Viperidae family

All reptiles
Common adder
Photo: Benny Trapp · CC BY 3.0 · Wikimedia CommonsReport this photo · linked, not stored

Common adder

Vipera berus
Common adder
Asp viper
Photo: Felix Reimann · CC BY-SA 3.0 · Wikimedia CommonsReport this photo · linked, not stored

Asp viper

Vipera aspis
Asp viper
Abyssus
Photo: Connor Long · CC BY-SA 4.0 · Wikimedia CommonsReport this photo · linked, not stored

Abyssus

Crotalus oreganus
Abyssus
Western Diamond-backed Rattlesnake
Photo: Gary Stolz (original) · Public domain · Wikimedia CommonsReport this photo · linked, not stored

Western Diamond-backed Rattlesnake

Crotalus atrox
Western Diamond-backed Rattlesnake