Genus

Night Adders

Causus

2 species in our catalog · found in 4 parks

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassSquamata
FamilyViperidae (Vipers)
GenusCausus (Night Adders)

Species in this group

Causus rhombeatus

Daily sighting probability ~20% · Possible

Causus defilippii

Daily sighting probability ~20% · Possible

Daily sighting probability by month

Probability-weighted average across the group's species

~20%

Jan

~10%

Feb

~30%

Mar

~30%

Apr

~10%

May

~20%

Jun

~10%

Jul

<5%

Aug

~10%

Sep

~10%

Oct

~20%

Nov

~20%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Night Adders

Warmer areas are where this group is recorded most often. Shaded: the known ranges of its 6 species, darker where more of them overlap (GARD, Roll et al. 2017 & Caetano et al. 2022). Our parks

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Garden Route National Park	🇿🇦 South Africa	1 of 2	~20%
	Rhombic Night Adder			~20%
2	Gorongosa National Park	🇲🇿 Mozambique	1 of 2	~20%
	Snouted Night Adder			~20%
3	Kruger National Park	🇿🇦 South Africa	1 of 2	~10%
	Snouted Night Adder			~10%
4	Addo Elephant National Park	🇿🇦 South Africa	1 of 2	~10%
	Rhombic Night Adder			~10%

Night Adders

Species in this group

Rhombic Night Adder

Snouted Night Adder

Daily sighting probability by month

When they're spotted

Where to see Night Adders

Parks Ranked