Jerdon's Bullfrog

Jerdon's Bullfrog

Hoplobatrachus crassus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · Possible
overall probability at Yala National Park

Closest Relatives at Yala National Park

Common skittering frog
LC

Common skittering frog

☀️ Diurnal Amphibian

Euphlyctis cyanophlyctis

20–30% · Possible
Indian Five-Fingered Frog

Indian Five-Fingered Frog

🌅 Crepuscular Amphibian

Euphlyctis hexadactylus

20–30% · Possible
Common Indian Cricket Frog
LC

Common Indian Cricket Frog

☀️ Diurnal Amphibian

Minervarya agricola

10–20% · Possible
Chunam Tree Frog
LC

Chunam Tree Frog

🌅 Crepuscular Amphibian

Polypedates maculatus

30–40% · Possible
Common Indian Toad
LC

Common Indian Toad

☀️ Diurnal Amphibian

Duttaphrynus melanostictus

10–20% · With luck
Rohan's Globular Frog
LC

Rohan's Globular Frog

🌅 Crepuscular Amphibian

Uperodon rohani

10–20% · With luck
Sri Lankan Bullfrog
LC

Sri Lankan Bullfrog

🌅 Crepuscular Amphibian

Uperodon taprobanicus

Insufficient data
Schneider's Toad
LC

Schneider's Toad

Amphibian

Duttaphrynus scaber

Insufficient data
Sri Lanka wood frog

Sri Lanka wood frog

☀️ Diurnal Amphibian

Hydrophylax gracilis

Insufficient data
Common Hourglass Tree Frog
LC

Common Hourglass Tree Frog

☀️ Diurnal Amphibian

Polypedates cruciger

Insufficient data
Mihintale Red Narrow-mouthed Frog
LC

Mihintale Red Narrow-mouthed Frog

Amphibian

Microhyla mihintalei

Insufficient data

📅 Monthly Probability

20–30
Jan
10–20
Feb
<5
Mar
<5
Apr
30–40
May
<5
Jun
<5
Jul
20–30
Aug
0–10
Sep
0–10
Oct
30–40
Nov
10–20
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙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 Horton Plains National Park 🇱🇰 Sri Lanka
30–40%
2 Wilpattu National Park 🇱🇰 Sri Lanka
20–30%
3 Yala National Park 🇱🇰 Sri Lanka
10–20%
4 Minneriya National Park 🇱🇰 Sri Lanka
Insufficient data
5 Sinharaja Forest Reserve 🇱🇰 Sri Lanka
Insufficient data

Quick answers

What are the chances of seeing a Jerdon's Bullfrog in Yala National Park?

About 16% of visitor-days record a Jerdon's Bullfrog sighting in Yala National Park, based on 8 observer-days of citizen-science data from GBIF.

When is the best time to see Jerdon's Bullfrog in Yala National Park?

November has the highest sighting rate for Jerdon's Bullfrog in Yala National Park in our monthly data.

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