Vietnamese Bug-eyed Frog

Vietnamese Bug-eyed Frog

Theloderma vietnamense

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Cat Tien National Park
24 Verified records at Cat Tien National Park
June Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

Theloderma vietnamense, the South Vietnamese bug-eyed frog or South Vietnamese bug eye frog, is a frog in the family Rhacophoridae. It is endemic to Vietnam, Cambodia, and Laos. It has been observed no higher than 1400 meters above sea level. This frog has been found in dense, mixed evergreen-deciduous forests in lowlands, hills, and montane habitats. This frog has occasionally been observed in secondary forest. This frog is closely associated with water-filled holes in trees, which they use to breed and sometimes shelter during the day. Wikipedia →

20–30% of wildlife watchers report a Vietnamese Bug-eyed Frog sighting in Cat Tien National Park, based on 24 days of visitor records from GBIF citizen-science data.

Closest Relatives at Cat Tien National Park

Spot-legged Tree Frog
LC Endemic

Spot-legged Tree Frog

☀️ Diurnal Amphibian

Polypedates megacephalus

50–60% · Likely
Annam Flying Frog
LC

Annam Flying Frog

☀️ Diurnal Amphibian

Rhacophorus annamensis

10–20% · With luck
Nongkhor Asian Treefrog

Nongkhor Asian Treefrog

☀️ Diurnal Amphibian

Chiromantis nongkhorensis

10–20% · With luck
Two-striped Bubble-nest Frog

Two-striped Bubble-nest Frog

Amphibian

Feihyla vittata

Insufficient data
Hansen's Bush Frog

Hansen's Bush Frog

☀️🌙 Day & Night Amphibian

Feihyla hansenae

Insufficient data
Inger's Tree Frog
LC

Inger's Tree Frog

🌙 Nocturnal Amphibian

Rhacophorus robertingeri

Insufficient data
Common Indian Toad
LC

Common Indian Toad

☀️ Diurnal Amphibian

Duttaphrynus melanostictus

40–50% · Likely
Asian Painted Frog
LC

Asian Painted Frog

🌙 Nocturnal Amphibian

Kaloula pulchra

40–50% · Likely
Round-tongued Floating Frog
LC Endemic

Round-tongued Floating Frog

☀️ Diurnal Amphibian

Occidozyga martensii

30–40% · Possible
Mukhlesur's Narrow-mouthed Frog
LC

Mukhlesur's Narrow-mouthed Frog

☀️ Diurnal Amphibian

Microhyla mukhlesuri

30–40% · Possible
Mada Paddy Frog
LC Endemic

Mada Paddy Frog

☀️ Diurnal Amphibian

Micryletta erythropoda

30–40% · Possible
Spotted Narrow-mouthed Frog
LC

Spotted Narrow-mouthed Frog

☀️ Diurnal Amphibian

Kalophrynus interlineatus

30–40% · Possible

📅 Monthly Probability

20–30
Jan
<5
Feb
30–40
Mar
30–40
Apr
10–20
May
40–50
Jun
<5
Jul
<5
Aug
5–10
Sep
30–40
Oct
<5
Nov
<5
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 Cat Tien National Park 🇻🇳 Vietnam
20–30%
2 Ba Be National Park 🇻🇳 Vietnam
Insufficient data

Quick answers

What are the chances of seeing a Vietnamese Bug-eyed Frog in Cat Tien National Park?

About 26% of wildlife watchers report a Vietnamese Bug-eyed Frog sighting in Cat Tien National Park, based on 24 days of visitor records from GBIF citizen-science data.

When is the best time to see Vietnamese Bug-eyed Frog in Cat Tien National Park?

June has the highest sighting rate for Vietnamese Bug-eyed Frog in Cat Tien National Park in our monthly data.

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