Black-headed Cat Snake

Black-headed Cat Snake

Boiga nigriceps

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Khao Luang National Park
2 Verified sightings at Khao Luang National Park From 2019 to 2026
31 Verified sightings across all 9 parks From 2019 to 2026
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Black-headed Cat Snake

Boiga nigriceps (black-headed cat snake) is a species of colubrid snake from South-East Asia. They are large snakes; adults may attain a total length of 1.75 m (5+1⁄2 ft). It gets its name from the greenish to blackish coloration of its head. Neonates and juveniles do not exhibit this dark color on the head until adulthood. The body color ranges greatly from brown, orange, red, and even black. The ventral region of the snake is yellowish below the neck and white for the rest.

Two subspecies are recognized: Boiga nigriceps nigriceps (Günther, 1863) Boiga nigriceps brevicauda Smith, 1926 Indonesia, Borneo, Peninsular Malaysia, Thailand. The black-headed cat snake is arboreal, but frequently comes down to the ground in search of prey. They occupy lowland and mid-elevation tropical rainforests of Southeast Asia.

Little is known about the black-headed cat snake's venom toxicity on humans, but it is thought to be comparable to the severity of a copperhead. This rear fanged colubrid's bite rarely results in adverse effects due to its poor venom delivery system. Luckily their fangs' positioning doesn't result... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Gunung Leuser National Park 🇮🇩 Indonesia
~10%
2 Kinabalu Park 🇲🇾 Malaysia
~10%
3 Khao Sok National Park 🇹🇭 Thailand
~10%
4 Khao Luang National Park 🇹🇭 Thailand
Insufficient data
5 Danum Valley Conservation Area 🇲🇾 Malaysia
Insufficient data
6 Kerinci Seblat National Park 🇮🇩 Indonesia
Insufficient data
7 Taman Negara National Park 🇲🇾 Malaysia
Insufficient data
8 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
Insufficient data
9 Kaeng Krachan National Park 🇹🇭 Thailand
Insufficient data
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