Cochranella euknemos
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~20% in a week ~50%
Cochranella euknemos, sometimes known as the San Jose Cochran frog, is a species of frog in the family Centrolenidae. It is found in central Costa Rica and south/eastward to Panama and to the western flank of the Cordillera Occidental in Colombia (Antioquia and Chocó Departments). Some Colombian records might apply to Cochranella mache.
Cochranella euknemos are small frogs, males growing to 25 mm (0.98 in) and females to 32 mm (1.3 in) in snout–vent length. They are dorsally blue-green and a little granular, with many small whitish or yellowish spots. Ventrally they are transparent white, but with more yellow on the undersides of the arms and legs. Iris is grayish ivory. Feet are moderately webbed.
In Costa Rica, males call in May–November. Egg masses are gelatinous and laid on the tips of leaves overhanging streams. The species' natural habitats are humid lowland, premontane, and montane forests. It occurs in bushes and trees along forest-covered streams. Its altitudinal range is 100–1,940 m (330–6,360 ft) asl in Colombia, somewhat narrower elsewhere.
Cochranella euknemos is generally threatened by deforestation in... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Utría National Natural Park | 🇨🇴 Colombia | |
| 2 | Soberanía National Park | 🇵🇦 Panama |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | El Nispero Zoo | 🇵🇦 Panama |
With luck
About 10% of wildlife watchers report a Fringe-Limbed Tree Frog sighting in Soberanía National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 25th most-seen of the 34 amphibians we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
February and September
In those months about 20% of wildlife watchers report a Fringe-Limbed Tree Frog in Soberanía National Park on a given day, against under 5% in March–May and August, the lowest months.
Between 5 and 8 pm
Across all the parks we cover, that three-hour window holds the most Fringe-Limbed Tree Frog sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
2nd of 2
Of the 2 parks where we can rate Fringe-Limbed Tree Frog sightings, Soberanía National Park ranks 2nd at about 10%. The best odds are in Utría National Natural Park (Colombia, about 40%).
GBIF citizen-science records
It is estimated from how often the Fringe-Limbed Tree Frog is recorded against all the amphibians logged in Soberanía National Park (14 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.
