Spot-tailed Pitviper

Spot-tailed Pitviper

Trimeresurus erythrurus

Silhouette: Steven Traver · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~50% · Likely
at Sundarbans National Park
14 Verified sightings at Sundarbans National Park From 2019 to 2026
14 Verified sightings across 1 park From 2019 to 2026
June Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Spot-tailed Pitviper

Trimeresurus erythrurus, commonly known as the red-tailed bamboo pitviper, redtail bamboo pit viper, and redtail pit viper is a venomous pit viper species found in South Asia and Myanmar. No subspecies are currently recognized.

Males grow to a maximum total length 575 millimetres (22.6 in), of which the tail is 120 millimetres (4.7 in) in length. Females reach a maximum total length of 1,045 millimetres (41.1 in), with a tail length of 165 millimetres (6.5 in).

Scalation: dorsal scales in 23–25 longitudinal rows at midbody; first upper labial partially or completely fused to nasal; 9–13 upper labials, 1–2 rows of scales separate upper labials from the suboculars; 11–14 scales in a line between supraoculars; supraoculars rarely divided; temporal scales small, strongly keeled; ventral scales: males 153–174, females: 151–180; subcaudals: males 62–79, females 49–61, usually paired, occasionally unpaired shields present among paired series.

Color pattern: head uniform green, dorsum bright green, light ventrolateral stripe present in males, present or absent in females (Maslin [1942:23] says that the ventrolateral stripe is absent, but M.A. Smith [1943:523] states that it... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Sundarbans National Park 🇮🇳 India
~50%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Spot-tailed Pitviper in Sundarbans National Park?

About 50% of wildlife watchers report a Spot-tailed Pitviper sighting in Sundarbans National Park, based on 14 verified sightings from GBIF citizen-science data.

When is the best time to see Spot-tailed Pitviper in Sundarbans National Park?

June has the highest sighting rate for Spot-tailed Pitviper in Sundarbans National Park in our monthly data.

← Back to Sundarbans National Park