Boulenger's Odd-scaled Snake

Boulenger's Odd-scaled Snake

Achalinus rufescens

LCLeast ConcernNTVUENCR
Daily sighting probability ~10% · With luck
at Hong Kong

In 3 days ~10% in a week ~30%

14 Verified sightings at Hong Kong
July Best month

About the Boulenger's Odd-scaled Snake

Achalinus rufescens, also known as rufous burrowing snake and Boulenger's odd-scaled snake, is a species of snake in the family Xenodermatidae. The species is found in Northern Vietnam and southern and southeastern China, including Hong Kong and Hainan, as far east as Zhejiang. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Hong Kong 🇨🇳 China
~10%

Before you go

What are the chances of seeing a Boulenger's Odd-scaled Snake in Hong Kong?

With luck

About 10% of wildlife watchers report a Boulenger's Odd-scaled Snake sighting in Hong Kong on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 29th most-seen of the 43 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Boulenger's Odd-scaled Snake in Hong Kong?

March and July–October

In those months about 10% of wildlife watchers report a Boulenger's Odd-scaled Snake in Hong Kong on a given day, against under 5% in April–June and November–February, the lowest months.

Where else can you see a Boulenger's Odd-scaled Snake?

Only Hong Kong, in our data

Hong Kong is the only city on Wallace's Line with enough records to rate Boulenger's Odd-scaled Snake sightings: about 10% of wildlife watchers there report one on a given day.

Where does the Boulenger's Odd-scaled Snake sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Boulenger's Odd-scaled Snake is recorded against all the reptiles logged in Hong Kong (14 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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