Sri Lanka rock frog

Sri Lanka rock frog

Nannophrys ceylonensis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Sinharaja Forest Reserve
10 Verified records at Sinharaja Forest Reserve
August Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

Nannophrys ceylonensis, commonly known as the Sri Lanka rock frog or the Ceylon streamlined frog, is a species of frog. It used to be placed in the large frog family Ranidae but a phylogenetic study was undertaken using DNA sequences and it is now included in the family Dicroglossidae. It is endemic to Sri Lanka where its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rivers and streams. Wikipedia →

20–30% of wildlife watchers report a Sri Lanka rock frog sighting in Sinharaja Forest Reserve, based on 10 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

10–20
Jan
10–20
Feb
10–20
Mar
20–30
Apr
10–20
May
20–30
Jun
10–20
Jul
30–40
Aug
<5
Sep
10–20
Oct
30–40
Nov
10–20
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Sinharaja Forest Reserve 🇱🇰 Sri Lanka
20–30%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Sri Lanka rock frog in Sinharaja Forest Reserve?

About 22% of wildlife watchers report a Sri Lanka rock frog sighting in Sinharaja Forest Reserve, based on 10 days of visitor records from GBIF citizen-science data.

When is the best time to see Sri Lanka rock frog in Sinharaja Forest Reserve?

August has the highest sighting rate for Sri Lanka rock frog in Sinharaja Forest Reserve in our monthly data.

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