Japanese Brown Frog
Rana japonica
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAmphibia (Amfibis)
- OrderAnura (Anurs)
- FamilyRanidae (Rànids)
- GenusRana
- SpeciesRana japonica (Japanese Brown Frog)
Closest Relatives at Nikko National Park
Montane Brown Frog
Rana ornativentris
Tago's Brown Frog
Rana tagoi
Daruma Pond Frog
Pelophylax porosus
Proto wrinkled frog
Glandirana reliquia
Dark-spotted Frog
Pelophylax nigromaculatus
Japanese Toad
Bufo japonicus
Forest Green Treefrog
Zhangixalus arboreus
Schlegel's Green Tree Frog
Zhangixalus schlegelii
Kajika Frog
Buergeria buergeri
📅 Monthly Probability
🌅 When They're Spotted
Most active at dawn and dusk · 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 | Nikko National Park | 🇯🇵 Japan |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Japanese Brown Frog in Nikko National Park?
About 27% of visitor-days record a Japanese Brown Frog sighting in Nikko National Park, based on 7 observer-days of citizen-science data from GBIF.
When is the best time to see Japanese Brown Frog in Nikko National Park?
August has the highest sighting rate for Japanese Brown Frog in Nikko National Park in our monthly data.