Arremon brunneinucha
Silhouette: Juan Camilo Cepeda-Duque · PhyloPic
In 3 days <5%
The chestnut-capped brushfinch (Arremon brunneinucha) is a species of bird in the family Passerellidae, the New World sparrows. It is found from Mexico to Peru. The chestnut-capped brushfinch was formally described in 1839 with the binomial Embernagra brunnei-nucha. It eventually was reassigned to genus Buarremon and the specific epithet revised to brunneinuchus. Genus Buarremon was still later merged into genus Atlapetes but further study resulted in Buarremon's being resurrected. In 2000 taxonomists again revised the specific epithet to its current brunneinucha. In 2008 taxonomists began merging Buarremon into Arremon.
The chestnut-capped brushfinch's further taxonomy is unsettled. The IOC, AviList, and BirdLife International's Handbook of the Birds of the World assign it these nine subspecies: Clements also sets A. b. apertus apart within the species, calling it the "chestnut-capped brushfinch (plain-breasted)". Clements groups the others as the "chestnut-capped brushfinch (chestnut-capped)".
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Volcán Barú National Park | 🇵🇦 Panama | |
| 2 | La Tigra National Park | 🇭🇳 Honduras | |
| 3 | Farallones de Cali National Natural Park | 🇨🇴 Colombia | |
| 4 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 5 | El Triunfo | 🇲🇽 Mexico | |
| 6 | Los Quetzales National Park | 🇨🇷 Costa Rica | |
| 7 | Chirripó National Park | 🇨🇷 Costa Rica | |
| 8 | Poás Volcano National Park | 🇨🇷 Costa Rica | |
| 9 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 10 | La Amistad International Park (Panama) | 🇵🇦 Panama | |
| 11 | Cusuco National Park | 🇭🇳 Honduras | |
| 12 | Celaque National Park | 🇭🇳 Honduras | |
| 13 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 14 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 15 | Los Nevados National Natural Park | 🇨🇴 Colombia | |
| 16 | Henri Pittier National Park | 🇻🇪 Venezuela | |
| 17 | Irazú Volcano National Park | 🇨🇷 Costa Rica | |
| 18 | Darién National Park | 🇵🇦 Panama | |
| 19 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 20 | Chingaza National Natural Park | 🇨🇴 Colombia | |
| 21 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica |
Rare
Under 5% of wildlife watchers report a Chestnut-capped Brushfinch sighting in San José on a given day, based on 122 verified sightings from GBIF citizen-science data. It is the 195th most-seen of the 379 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 Chestnut-capped Brushfinch in San José on a given day, so our monthly data shows no clear season.
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Chestnut-capped Brushfinch sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 cities where we can rate Chestnut-capped Brushfinch sightings, San José ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Medellín (Colombia, under 5%).
GBIF citizen-science records
It is estimated from how often the Chestnut-capped Brushfinch is recorded against all the birds logged in San José (122 verified sightings), 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.
