Trimeresurus (Asian Lanceheads)

Species in this group

Each card shows the species at its best park — tap for the full profile

LC

Trimeresurus insularis

Daily sighting probability ~60% · Likely

LC

Trimeresurus vogeli

Daily sighting probability ~60% · Likely

LC

Trimeresurus erythrurus

Daily sighting probability ~50% · Likely

LC

Trimeresurus sabahi

Daily sighting probability ~40% · Likely

LC

Trimeresurus stejnegeri

Daily sighting probability ~40% · Likely

NT

Trimeresurus malcolmi

Daily sighting probability ~30% · Possible

VU

Trimeresurus venustus

Daily sighting probability ~30% · Possible

LC

Trimeresurus albolabris

Daily sighting probability ~30% · Possible

LC

Trimeresurus macrops

Daily sighting probability ~30% · Possible

LC

Trimeresurus sumatranus

Daily sighting probability ~30% · Possible

Trimeresurus gunaleni

Daily sighting probability ~20% · Possible

LC

Trimeresurus hageni

Daily sighting probability ~20% · Possible

LC Endemic

Trimeresurus gracilis

Daily sighting probability ~10% · With luck

Trimeresurus salazar

Daily sighting probability Insufficient data

Trimeresurus guoi

Daily sighting probability Insufficient data

LC

Trimeresurus septentrionalis

Daily sighting probability Insufficient data

LC

Trimeresurus purpureomaculatus

Daily sighting probability Insufficient data

See all 17 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

~30%

Jan

~30%

Feb

~30%

Mar

~20%

Apr

~30%

May

~30%

Jun

~30%

Jul

~40%

Aug

~40%

Sep

~30%

Oct

~30%

Nov

~30%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Asian Lanceheads

Worldwide records of this group (human observations from 2019 onwards, GBIF). Pins mark our parks — tap one for the chance of seeing at least one species of the group there.

Parks Ranked

Chance of seeing at least one species of the group · number of its species present

#	Park	Country	Species	Daily sighting probability
1	Kinabalu Park	🇲🇾 Malaysia	3	~70%
	Sabah Bamboo Pitviper			~40%
	Malcolm’s Pitviper			~30%
	Sumatra Pit Viper			~30%
2	Khao Yai National Park	🇹🇭 Thailand	3	~70%
	Vogel’s Pit Viper			~60%
	Kramer's Pit Viper			~30%
	White-lipped Pit Viper			Insufficient data
3	Komodo National Park	🇮🇩 Indonesia	1	~60%
	White-lipped Island Pitviper			~60%
4	Gunung Leuser National Park	🇮🇩 Indonesia	4	~50%
	Gunalen's Pitviper			~20%
	Hagen’s Pitviper			~20%
	Sabah Bamboo Pitviper			~20%
	Mangrove Viper			Insufficient data
5	Sundarbans National Park	🇮🇳 India	1	~50%
	Spot-tailed Pitviper			~50%
6	Cuc Phuong National Park	🇻🇳 Vietnam	2	~50%
	Chinese Green Tree Viper			~40%
	White-lipped Pit Viper			Insufficient data
7	Khao Luang National Park	🇹🇭 Thailand	2	~40%
	Beautiful Pitviper			~30%
	Sabah Bamboo Pitviper			Insufficient data
8	Kaeng Krachan National Park	🇹🇭 Thailand	1	~30%
	White-lipped Pit Viper			~30%
9	Bali Barat National Park	🇮🇩 Indonesia	1	~30%
	White-lipped Island Pitviper			~30%
10	Taroko National Park	🇹🇼 Taiwan	2	~30%
	Chinese Green Tree Viper			~20%
	Kikuchi Habu			~10%
11	Cat Tien National Park	🇻🇳 Vietnam	1	~30%
	White-lipped Pit Viper			~30%
12	Khao Sok National Park	🇹🇭 Thailand	1	~30%
	Sabah Bamboo Pitviper			~30%
13	Danum Valley Conservation Area	🇲🇾 Malaysia	1	~20%
	Sumatra Pit Viper			~20%
14	Doi Inthanon National Park	🇹🇭 Thailand	2	~10%
	Guo's Green Pit Viper			Insufficient data
	Kramer's Pit Viper			Insufficient data
15	Kerinci Seblat National Park	🇮🇩 Indonesia	1	~10%
	Sabah Bamboo Pitviper			Insufficient data
16	Kanha National Park	🇮🇳 India	1	~10%
	Salazar's Pit Viper			Insufficient data
17	Chitwan National Park	🇳🇵 Nepal	1	~10%
	Nepal Pitviper			Insufficient data
18	Taman Negara National Park	🇲🇾 Malaysia	1	~10%
	Sabah Bamboo Pitviper			Insufficient data