Genus

Hognosed Vipers

Porthidium

4 species in our catalog · found in 11 parks

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassSquamata
FamilyViperidae (Vipers)
GenusPorthidium (Hognosed Vipers)

Species in this group

Porthidium ophryomegas

Daily sighting probability ~50% · Likely

Porthidium nasutum

Daily sighting probability ~40% · Likely

Porthidium lansbergii

Daily sighting probability ~20% · Possible

Endemic

Porthidium porrasi

Daily sighting probability ~20% · Possible

Daily sighting probability by month

Probability-weighted average across the group's species

~10%

Jan

~20%

Feb

~20%

Mar

~20%

Apr

~30%

May

~30%

Jun

~20%

Jul

~20%

Aug

~30%

Sep

~30%

Oct

~30%

Nov

~20%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Hognosed Vipers

Warmer areas are where this group is recorded most often. Shaded: the known ranges of its 7 species, darker where more of them overlap (GARD, Roll et al. 2017 & Caetano et al. 2022). Our parks In captivity: 2 zoos & centres

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Santa Rosa National Park	🇨🇷 Costa Rica	1 of 4	~50%
	Slender Hognose Viper			~50%
2	Pico Bonito National Park	🇭🇳 Honduras	1 of 4	~40%
	Rainforest Hog-nosed Viper			~40%
3	Tenorio Volcano National Park	🇨🇷 Costa Rica	1 of 4	~30%
	Rainforest Hog-nosed Viper			~30%
4	Tayrona National Natural Park	🇨🇴 Colombia	1 of 4	~20%
	Lansberg's Hognose Viper			~20%
5	Darién National Park	🇵🇦 Panama	1 of 4	~20%
	Rainforest Hog-nosed Viper			~20%
6	Piedras Blancas National Park	🇨🇷 Costa Rica	1 of 4	~20%
	White-tailed Hognose Viper			~20%
7	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	1 of 4	~20%
	Rainforest Hog-nosed Viper			~20%
8	Palo Verde National Park	🇨🇷 Costa Rica	1 of 4	~20%
	Slender Hognose Viper			~20%
9	Arenal Volcano National Park	🇨🇷 Costa Rica	1 of 4	~20%
	Rainforest Hog-nosed Viper			~20%
10	Cahuita National Park	🇨🇷 Costa Rica	1 of 4	~10%
	Rainforest Hog-nosed Viper			~10%
11	Braulio Carrillo National Park	🇨🇷 Costa Rica	1 of 4	~10%
	Rainforest Hog-nosed Viper			~10%