Emerald Glass Frog

Emerald Glass Frog

Espadarana prosoblepon

Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Piedras Blancas National Park
21 Verified sightings at Piedras Blancas National Park From 2019 to 2026
220 Verified sightings across all 14 parks From 2019 to 2026
May Best month highest sighting rate
🌙 Nocturnal When it's spotted during nighttime hours (6pm–6am)

About the Emerald Glass Frog

Espadarana prosoblepon is a species of frog in the family Centrolenidae, commonly known as the emerald glass frog or Nicaragua giant glass frog. This species can be found in Ecuador, Colombia, Panama, Costa Rica, Nicaragua, and Honduras. Its natural habitats are lowland tropical forests and montane cloud forests. It is a nocturnal species occurring in low vegetation in mature forests only. It is not considered threatened overall by the IUCN although deforestation and pollution are potential threats, as is chytridiomycosis.

The word "prosoblepon" originates from the Greek words "proso" and "blepo", which respectively mean "forward, in front" and "see, look", and is thought to signify the frontal position of the eyes in the emerald glass frog.

Espadarana prosoblepon is listed as least concern according to IUCN in the red list category and criteria when it was assessed in 2020. It was listed as least concern because of its wide distribution, large population, and its improbable decline. The emerald glass frog has a lifespan of more than 5 years. It is physically described to be small, green, and may occasionally have dark spots on its back. It has a translucent... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Chirripó National Park 🇨🇷 Costa Rica
~30%
2 Arenal Volcano National Park 🇨🇷 Costa Rica
~20%
3 Piedras Blancas National Park 🇨🇷 Costa Rica
~20%
4 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
~10%
5 Braulio Carrillo National Park 🇨🇷 Costa Rica
~10%
6 La Amistad International Park (Panama) 🇵🇦 Panama
~10%
7 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
~10%
8 Corcovado National Park 🇨🇷 Costa Rica
~10%
9 Soberanía National Park 🇵🇦 Panama
~10%
10 Utría National Natural Park 🇨🇴 Colombia
Insufficient data
11 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
Insufficient data
12 Darién National Park 🇵🇦 Panama
Insufficient data
13 Cahuita National Park 🇨🇷 Costa Rica
Insufficient data
14 Manuel Antonio National Park 🇨🇷 Costa Rica
Insufficient data

Quick answers

What are the chances of seeing a Emerald Glass Frog in Piedras Blancas National Park?

About 20% of wildlife watchers report a Emerald Glass Frog sighting in Piedras Blancas National Park, based on 21 verified sightings from GBIF citizen-science data.

When is the best time to see Emerald Glass Frog in Piedras Blancas National Park?

May has the highest sighting rate for Emerald Glass Frog in Piedras Blancas National Park in our monthly data.

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