Jerdon's Bullfrog
Hoplobatrachus crassus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAmphibia (Amfibis)
- OrderAnura (Anurs)
- FamilyDicroglossidae (Fork-tongued Frogs)
- GenusHoplobatrachus (Crowned Bullfrogs and Tiger Frogs)
- SpeciesHoplobatrachus crassus (Jerdon's Bullfrog)
Hoplobatrachus crassus, also called Jerdon's bullfrog, Jerdon's bull frog, and South Indian bullfrog, is a species of frog found widely distributed on the plains of India, Bangladesh, Nepal, and Sri Lanka. Its range may extend to the adjacent Bhutan and Myanmar. Wikipedia →
10–20% of wildlife watchers report a Jerdon's Bullfrog sighting in Yala National Park, based on 8 days of visitor records from GBIF citizen-science data.
Closest Relatives at Yala National Park
Common skittering frog
Euphlyctis cyanophlyctis
Indian Five-Fingered Frog
Euphlyctis hexadactylus
Common Indian Cricket Frog
Minervarya agricola
Chunam Tree Frog
Polypedates maculatus
Common Indian Toad
Duttaphrynus melanostictus
Rohan's Globular Frog
Uperodon rohani
Schneider's Toad
Duttaphrynus scaber
Sri Lankan Bullfrog
Uperodon taprobanicus
Sri Lanka wood frog
Hydrophylax gracilis
Mihintale Red Narrow-mouthed Frog
Microhyla mihintalei
Common Hourglass Tree Frog
Polypedates cruciger
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
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 | |
| 2 | Wilpattu National Park | 🇱🇰 Sri Lanka | |
| 3 | Yala National Park | 🇱🇰 Sri Lanka | |
| 4 | Minneriya National Park | 🇱🇰 Sri Lanka | |
| 5 | Sinharaja Forest Reserve | 🇱🇰 Sri Lanka |
Quick answers
What are the chances of seeing a Jerdon's Bullfrog in Yala National Park?
About 17% of wildlife watchers report a Jerdon's Bullfrog sighting in Yala National Park, based on 8 days of visitor records from GBIF citizen-science data.
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.