Chalcostigma herrani
Silhouette: Ferran Sayol · PhyloPic
In 3 days <5%
The rainbow-bearded thornbill (Chalcostigma herrani) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Colombia, Ecuador, and Peru. The rainbow-bearded thornbill was formally described in 1846 by the French ornithologists Adolphe Delattre and Jules Bourcier from specimens collected near the town of Pasto in southwest Colombia. They coined the binomial name Trochilus herrani. This bird is now one of five species placed in the genus Chalcostigma that was introduced in 1854 by the German naturalist Ludwig Reichenbach. (The South American Classification Committee (SACC) of the American Ornithological Society is considering a proposal to merge the genus into Oxypogon).
The genus name derives from the Greek khalkos ″bronze″ and stigma ″mark″. The specific epithet herrani was chosen to honor the Colombian general and statesman Pedro Alcántara Herrán. Two subspecies are recognised: Males weigh about 6.2 g (0.22 oz) and females 5.6 g (0.20 oz). Both... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Los Nevados National Natural Park | 🇨🇴 Colombia | |
| 2 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 3 | Farallones de Cali National Natural Park | 🇨🇴 Colombia |
Rare
Under 5% of wildlife watchers report a Rainbow-bearded Thornbill sighting in Farallones de Cali National Natural Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 517th most-seen of the 542 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Rainbow-bearded Thornbill in Farallones de Cali National Natural Park on a given day, so our monthly data shows no clear season.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Rainbow-bearded Thornbill sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 3
Of the 3 parks where we can rate Rainbow-bearded Thornbill sightings, Farallones de Cali National Natural Park ranks 3rd at under 5%. The best odds are in Los Nevados National Natural Park (Colombia, about 30%) and Podocarpus National Park (Ecuador, about 10%).
Same family: Trochilidae
The closest relatives of the Rainbow-bearded Thornbill that you can see in Farallones de Cali National Natural Park (family Trochilidae, Hummingbirds) are Violet-crowned Woodnymph (about 70%), White-necked Jacobin (about 60%) and Brown Violetear (about 60%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rainbow-bearded Thornbill is recorded against all the birds logged in Farallones de Cali National Natural Park (8 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.
