What are the chances of seeing a Slaty-backed Nightingale-Thrush in Chirripó National Park?
With luck
About 10% of wildlife watchers report a Slaty-backed Nightingale-Thrush sighting in Chirripó National Park on a given day, based on 92 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 138th most-seen of the 332 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
When is the best time to see a Slaty-backed Nightingale-Thrush in Chirripó National Park?
May and November
In those months about 20% of wildlife watchers report a Slaty-backed Nightingale-Thrush in Chirripó National Park on a given day, against under 5% in January–March and August–October, the lowest months. Those are among Chirripó National Park's wettest months, with about 460 mm of rain a month against 75 mm in February.
What time of day is best to see a Slaty-backed Nightingale-Thrush?
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Slaty-backed Nightingale-Thrush sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Chirripó National Park the best place to see a Slaty-backed Nightingale-Thrush?
4th of 13
Of the 13 parks where we can rate Slaty-backed Nightingale-Thrush sightings, Chirripó National Park ranks 4th at about 10%. The best odds are in Monteverde Cloud Forest Reserve (Costa Rica, about 30%), Poás Volcano National Park (Costa Rica, about 10%) and Braulio Carrillo National Park (Costa Rica, about 10%).
Which relatives of the Slaty-backed Nightingale-Thrush live in Chirripó National Park?
Same genus: Catharus
The closest relatives of the Slaty-backed Nightingale-Thrush that you can see in Chirripó National Park (genus Catharus, Brown Thrushes and Nightingale-Thrushes) are Orange-billed Nightingale-Thrush (about 30%), Swainson's Thrush (about 10%) and Ruddy-capped Nightingale-Thrush (about 10%), with each one's daily chance of a sighting.
Where does the Slaty-backed Nightingale-Thrush sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Slaty-backed Nightingale-Thrush is recorded against all the birds logged in Chirripó National Park (92 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.