Trimeresurus (Asian Lanceheads)

Species in this group

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

VU

Trimeresurus venustus

Daily sighting probability ~30% · Possible

NT

Trimeresurus malcolmi

Daily sighting probability ~30% · Possible

LC

Trimeresurus albolabris

Daily sighting probability ~30% · Possible

LC

Trimeresurus sumatranus

Daily sighting probability ~30% · Possible

Trimeresurus gunaleni

Daily sighting probability ~20% · Possible

LC

Trimeresurus macrops

Daily sighting probability ~20% · Possible

LC

Trimeresurus hageni

Daily sighting probability ~20% · Possible

LC Endemic

Trimeresurus gracilis

Daily sighting probability ~10% · With luck

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Daily sighting probability by month

Probability-weighted average across the group's species

~30%

Jan

~30%

Feb

~30%

Mar

~30%

Apr

~30%

May

~30%

Jun

~40%

Jul

~40%

Aug

~40%

Sep

~40%

Oct

~30%

Nov

~40%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Asian Lanceheads

Warmer areas are where this group is recorded most often. Shaded: the known ranges of its 25 species, darker where more of them overlap (GARD, Roll et al. 2017 & Caetano et al. 2022). Our parks Our cities In captivity: 35 zoos & centres

Parks Ranked

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

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Jakarta	🇮🇩 Indonesia	1 of 13	~50%
	White-lipped Pit Viper			~50%
2	Denpasar	🇮🇩 Indonesia	1 of 13	~40%
	White-lipped Island Pitviper			~40%
3	Bangkok	🇹🇭 Thailand	2 of 13	~30%
	Kramer's Pit Viper			~30%
	White-lipped Pit Viper			~10%
4	Hong Kong	🇨🇳 China	1 of 13	~30%
	White-lipped Pit Viper			~30%
5	Fuzhou	🇨🇳 China	1 of 13	~30%
	White-lipped Pit Viper			~30%
6	Guangzhou	🇨🇳 China	1 of 13	~20%
	White-lipped Pit Viper			~20%
7	Taipei	🇹🇼 Taiwan	1 of 13	~20%
	Chinese Green Tree Viper			~20%
8	Ho Chi Minh City	🇻🇳 Vietnam	1 of 13	~20%
	White-lipped Pit Viper			~20%
9	Kaohsiung	🇹🇼 Taiwan	1 of 13	~20%
	Chinese Green Tree Viper			~20%
10	Hangzhou	🇨🇳 China	1 of 13	~10%
	Chinese Green Tree Viper			~10%
11	Tuen Mun	🇨🇳 China	1 of 13	~10%
	White-lipped Pit Viper			~10%
12	Taichung	🇹🇼 Taiwan	1 of 13	~10%
	Chinese Green Tree Viper			~10%

Zoos & Centres Where Found

#	Zoo / Centre	Country
1	Moscow Zoo	🇷🇺 Russia	In captivity
2	Yangon Zoological Gardens	🇲🇲 Myanmar (Burma)	In captivity
3	Cabarceno Natural Park	🇪🇸 Spain	In captivity
4	Zoo Pilsen	🇨🇿 Czechia	In captivity
5	Toronto Zoo	🇨🇦 Canada	In captivity
6	Bronx Zoo	🇺🇸 United States	In captivity
7	Kadoorie Farm and Botanic Garden	🇭🇰 Hong Kong SAR China	In captivity
8	Chester Zoo	🇬🇧 United Kingdom	In captivity
9	Dallas Zoo	🇺🇸 United States	In captivity
10	Phoenix Zoo	🇺🇸 United States	In captivity
11	Toledo Zoo	🇺🇸 United States	In captivity
12	Jacksonville Zoo and Gardens	🇺🇸 United States	In captivity
13	Kyiv Zoo	🇺🇦 Ukraine	In captivity
14	Saint Louis Zoo	🇺🇸 United States	In captivity
15	Terra Natura Benidorm	🇪🇸 Spain	In captivity
16	Fort Worth Zoo	🇺🇸 United States	In captivity
17	Houston Zoo	🇺🇸 United States	In captivity
18	ABQ BioPark Zoo	🇺🇸 United States	In captivity
19	Gembira Loka Zoo	🇮🇩 Indonesia	In captivity
20	Tierpark Hagenbeck	🇩🇪 Germany	In captivity
21	Cameron Park Zoo	🇺🇸 United States	In captivity
22	Faunia	🇪🇸 Spain	In captivity
23	Little Rock Zoo	🇺🇸 United States	In captivity
24	Dong Tam Snake Farm	🇻🇳 Vietnam	In captivity
25	Alligator Adventure	🇺🇸 United States	In captivity
26	Reptile Gardens	🇺🇸 United States	In captivity
27	Bali Bird Park	🇮🇩 Indonesia	In captivity
28	Siam Serpentarium	🇹🇭 Thailand	In captivity
29	Snake Farm of Queen Saovabha Memorial Institute	🇹🇭 Thailand	In captivity
30	Universeum	🇸🇪 Sweden	In captivity
31	Reptiland	🇫🇷 France	In captivity
32	BXSea Aquarium	🇮🇩 Indonesia	In captivity
33	Hangzhou Zoo	🇨🇳 China	In captivity
34	Zoológico Miguél Álvarez del Toro	🇲🇽 Mexico	In captivity
35	Тульский экзотариум (новая экспозиция)	🇷🇺 Russia	In captivity

Show all 35 Show fewer

Asian Lanceheads

Species in this group

White-lipped Island Pitviper

Vogel’s Pit Viper

Spot-tailed Pitviper

Sabah Bamboo Pitviper

Chinese Green Tree Viper

Beautiful Pitviper

Malcolm’s Pitviper

White-lipped Pit Viper

Sumatra Pit Viper

Gunalen's Pitviper

Kramer's Pit Viper

Hagen’s Pitviper

Kikuchi Habu

Daily sighting probability by month

When they're spotted

Where to see Asian Lanceheads

Parks Ranked

Cities Ranked

Zoos & Centres Where Found