Oocatochus rufodorsatus
In 3 days ~10% in a week ~30%
Oocatochus is a genus of snake in the family Colubridae that contains the sole species Oocatochus rufodorsatus. It is known as the frog-eating rat snake, or red-backed rat snake. It is found in East Asia, in eastern China, Korea, and Russia. The reptile database also mentions Taiwan, but other sources do not support this. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Beijing | 🇨🇳 China |
Rare
Under 5% of wildlife watchers report a Frog-eating Rat Snake sighting in Beijing on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 8th most-seen of the 9 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.
July and August
In those months about 10% of wildlife watchers report a Frog-eating Rat Snake in Beijing on a given day, against under 5% in September to June, the lowest months. Those are among Beijing's wettest months, with about 130 mm of rain a month against almost none in January.
Only Beijing, in our data
Beijing is the only city on Wallace's Line with enough records to rate Frog-eating Rat Snake sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Colubridae
The closest relatives of the Frog-eating Rat Snake that you can see in Beijing (family Colubridae, Colubrid Snakes) are Tiger Keelback (about 10%), Steppe Rat Snake (about 10%) and Red-banded Snake (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Frog-eating Rat Snake is recorded against all the reptiles logged in Beijing (7 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.
