Agalychnis spurrelli
Silhouette: Margot Michaud · PhyloPic
In 3 days ~30% in a week ~50%
The gliding tree frog (Agalychnis spurrelli) is a species of frog in the subfamily Phyllomedusinae. It is found in Colombia, Costa Rica, Ecuador, and Panama. Other common names are the gliding leaf frog, Spurrell's leaf frog, and pink-sided tree frog. The specific name, spurrelli, is in honour of British zoologist Herbert George Flaxman Spurrell.
Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss. The gliding tree frog grows to a snout to vent length of 48 to 56 mm (1.9 to 2.2 in) for males and 60 to 72 mm (2.4 to 2.8 in) for females. The head is broad and the eyes are large, with reticulated lower eyelids. The body is slim with smooth skin on the dorsal surface and limbs and granular skin on the belly. The limbs are slim and the fingers and toes have adhesive discs. The fingers are about three-quarter webbed and the toes fully webbed. The colour of the dorsal surface of this frog changes at nightfall from pale green to dark green. The underparts are cream and orange.
The gliding tree frog is native to the humid forests of south-eastern and south-western Costa... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Piedras Blancas National Park | 🇨🇷 Costa Rica | |
| 2 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 3 | Corcovado National Park | 🇨🇷 Costa Rica | |
| 4 | Braulio Carrillo National Park | 🇨🇷 Costa Rica |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Saint Louis Zoo | 🇺🇸 United States | |
| 2 | La Paz Waterfall Gardens | 🇨🇷 Costa Rica | |
| 3 | Monteverde Theme Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Gliding Leaf Frog sighting in Braulio Carrillo National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 35th most-seen of the 46 amphibians we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
December
In that month about 20% of wildlife watchers report a Gliding Leaf Frog in Braulio Carrillo National Park on a given day, against under 5% in June and August–September, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Gliding Leaf Frog sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
4th of 4
Of the 4 parks where we can rate Gliding Leaf Frog sightings, Braulio Carrillo National Park ranks 4th at about 10%. The best odds are in Piedras Blancas National Park (Costa Rica, about 20%), Gandoca-Manzanillo Wildlife Refuge (Costa Rica, about 10%) and Corcovado National Park (Costa Rica, about 10%).
Same genus: Agalychnis
The closest relatives of the Gliding Leaf Frog that you can see in Braulio Carrillo National Park (genus Agalychnis, Leaf Frogs) are Red-eyed Treefrog (about 60%), Parachuting Red-eyed Leaf Frog (about 30%) and Blue-sided Tree Frog (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Gliding Leaf Frog is recorded against all the amphibians logged in Braulio Carrillo National Park (11 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
