Black Odd-scaled Snake

Black Odd-scaled Snake

Achalinus niger

Silhouette: Sin Syue Li (photograph) · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability ~10% · With luck
at Taroko National Park
6 Verified sightings at Taroko National Park From 2019 to 2026
6 Verified sightings across 1 park From 2019 to 2026
August Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Black Odd-scaled Snake

Achalinus niger, common name black odd-scaled snake or black burrowing snake, is a snake in family Xenodermatidae that is endemic to Taiwan. This Taiwan endemic is widespread at elevations of 1,000–3,000 m (3,300–9,800 ft) asl. Genetic analyses have indicated three distinct clades, a northern one from the Xueshan Range, a southern one from the Alishan Range and southern Central Mountain Range, and Meifeng, a small but very distinct location at the middle of the Central Mountain Range.

Achalinus niger is a small snake growing to a total length of about 80 cm (31 in). The whole body is iridescent under light. Head is small, oval, and without distinct neck. Body is slender and tail is moderately short. Eyes are small, bead-like; iris is black and indistinct. Upper head, body and tail is uniform olive, grayish tan, or black. Mid-dorsal row of scales on body and tail show a dark longitudinal line. Ventral surface is olive-yellow or dark gray. The young are usually black.

It is a nocturnal and terrestrial snake that preys on earthworms, slugs, and frogs. It is non-venomous and not aggressive. Female lays about seven eggs... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Taroko National Park 🇹🇼 Taiwan
~10%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Black Odd-scaled Snake in Taroko National Park?

About 10% of wildlife watchers report a Black Odd-scaled Snake sighting in Taroko National Park, based on 6 verified sightings from GBIF citizen-science data.

When is the best time to see Black Odd-scaled Snake in Taroko National Park?

August has the highest sighting rate for Black Odd-scaled Snake in Taroko National Park in our monthly data.

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