Eastern Masked Tree Frog

Eastern Masked Tree Frog

Smilisca manisorum

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
5–10% · With luck
overall probability at Arenal Volcano National Park
14 Verified records at Arenal Volcano National Park
June Best month highest sighting rate
🌙 Nocturnal When it's active during nighttime hours (6pm–6am)

Smilisca manisorum, or the masked tree frog, is a frog in the family Hylidae, endemic to Costa Rica, Panama, Honduras and Nicaragua. It lives in coastal forests. Scientists have seen it as high as 540 meters above sea level. The species was originally synonymized with the common Mexican tree frog (Smilisca baudinii), but was resurrected as a species in 2017. Wikipedia →

5–10% of wildlife watchers report a Eastern Masked Tree Frog sighting in Arenal Volcano National Park, based on 14 days of visitor records from GBIF citizen-science data.

Closest Relatives at Arenal Volcano National Park

Masked Tree Frog
LC

Masked Tree Frog

🌙 Nocturnal Amphibian

Smilisca phaeota

40–50% · Likely
Drab Tree Frog
LC

Drab Tree Frog

🌙 Nocturnal Amphibian

Smilisca sordida

10–20% · With luck
Mexican Smilisca
LC

Mexican Smilisca

☀️🌙 Day & Night Amphibian

Smilisca baudinii

Insufficient data
Harlequin Treefrog
LC

Harlequin Treefrog

🌙 Nocturnal Amphibian

Dendropsophus ebraccatus

30–40% · Possible
Mahogany Tree Frog
LC

Mahogany Tree Frog

🌙 Nocturnal Amphibian

Tlalocohyla loquax

20–30% · Possible
Rufous-eyed brook frog
LC Endemic

Rufous-eyed brook frog

🌙 Nocturnal Amphibian

Duellmanohyla rufioculis

10–20% · With luck
Sipurio Snouted Treefrog

Sipurio Snouted Treefrog

🌙 Nocturnal Amphibian

Scinax elaeochroa

10–20% · With luck
Yellow Treefrog
LC

Yellow Treefrog

🌙 Nocturnal Amphibian

Dendropsophus microcephalus

5–10% · With luck
Meadow Tree Frog
LC

Meadow Tree Frog

🌅 Crepuscular Amphibian

Isthmohyla pseudopuma

Insufficient data
Red-eyed Stream Frog
VU

Red-eyed Stream Frog

☀️🌙 Day & Night Amphibian

Duellmanohyla uranochroa

Insufficient data
Milk Frog

Milk Frog

🌅 Crepuscular Amphibian

Trachycephalus macrotis

Insufficient data
Shaman Fringe-limbed Tree Frog
LC Endemic

Shaman Fringe-limbed Tree Frog

☀️🌙 Day & Night Amphibian

Ecnomiohyla sukia

Insufficient data

📅 Monthly Probability

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

🌙 When They're Spotted

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

🌙Nocturnal
☀️🌙🌙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 Tenorio Volcano National Park 🇨🇷 Costa Rica
20–30%
2 Braulio Carrillo National Park 🇨🇷 Costa Rica
10–20%
3 Tortuguero National Park 🇨🇷 Costa Rica
10–20%
4 Arenal Volcano National Park 🇨🇷 Costa Rica
5–10%
5 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
Insufficient data
6 La Amistad International Park (Panama) 🇵🇦 Panama
Insufficient data

Quick answers

What are the chances of seeing a Eastern Masked Tree Frog in Arenal Volcano National Park?

About 9% of wildlife watchers report a Eastern Masked Tree Frog sighting in Arenal Volcano National Park, based on 14 days of visitor records from GBIF citizen-science data.

When is the best time to see Eastern Masked Tree Frog in Arenal Volcano National Park?

June has the highest sighting rate for Eastern Masked Tree Frog in Arenal Volcano National Park in our monthly data.

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