Two-Striped Night Adder
Causus bilineatus
Abstract
Two-Striped Night Adder Causus bilineatus has most recently been assessed for The IUCN Red List of Threatened Species in 2019. Causus bilineatus is listed as Least Concern.
The Red List Assessment
Wagner, P. 2021. Causus bilineatus. The IUCN Red List of Threatened Species 2021: e.T13300996A13300998. Accessed on 14 November 2025.
Population trend
Stable
Number of mature individuals
Habitat and ecology
Savanna, Wetlands (inland)
Geographic range
-
Extant (resident)
Assessment Information
Global Assessment
IUCN Red List Category and Criteria - Global Assessment
Date assessed
24 October 2019
Year published
2021
Assessment Information in detail
Geographic Range
Native
Extant (resident)
Angola; Congo, The Democratic Republic of the; Rwanda; Zambia
Presence Uncertain
Tanzania, United Republic of
Number of locations
Upper elevation limit
1,800 metres
Lower elevation limit
800 metres
Geographic Range in detail
Population
Current population trend
Number of mature individuals
Population severely fragmented
Continuing decline of mature individuals
Population in detail
Habitat and Ecology
System
Habitat type
Generation length (years)
Congregatory
Movement patterns
Continuing decline in area, extent and/or quality of habitat
Habitat and Ecology in detail
Threats
Threats in detail
Use and Trade
Use and Trade in detail
Conservation Actions
In-place land/water protection
- Occurs in at least one protected area : Yes
Conservation Actions in detail
Bibliography
Red List Bibliography
External Data
Images and External Links
Images and External Links in detail
CITES Legislation from Species+
Data source
The information below is from the Species+ website.
CITES Legislation from Species+ in detail
Ex situ data from Species360
Data source
The information below is from Species360's Zoological Information Management System (ZIMS).
Ex situ data from Species360 in detail
Studies and Actions from Conservation Evidence
Data source
The information below is from the Conservation Evidence website.