Asemospiza obscura
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The dull-colored grassquit (Asemospiza obscura) is a small bird in the family Thraupidae, the tanagers and allies. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru and Venezuela. The dull-colored grassquit was formally described in 1837 with the binomial Emberiza obscura. For much of the twentieth century it was placed in the genus Sporophila but by the early twenty-first it had been transferred to Tiaris. Finally, based on studies published in 2014 and 2015, in 2016 Burns et al. erected the genus Asemospiza with the sooty grassquit (A. fuliginosa) as the type species and including the dull-colored grassquit. The genus is closely related to Darwin's finches.
The dull-colored grassquit has these four subspecies: The sexes have the same plumage. Adults of the nominate subspecies A. o. obscura have a brownish head and upperparts. They have thin, pale... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Henri Pittier National Park | 🇻🇪 Venezuela | |
| 2 | Amboró National Park | 🇧🇴 Bolivia | |
| 3 | Farallones de Cali National Natural Park | 🇨🇴 Colombia | |
| 4 | Machalilla National Park | 🇪🇨 Ecuador | |
| 5 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 6 | Manu National Park | 🇵🇪 Peru |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Quito | 🇪🇨 Ecuador | |
| 2 | Cali | 🇨🇴 Colombia | |
| 3 | Caracas | 🇻🇪 Venezuela | |
| 4 | Buenos Aires | 🇦🇷 Argentina |
Rare
Under 5% of wildlife watchers report a Dull-colored Grassquit sighting in Machalilla National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 210th most-seen of the 248 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
July
In that month about 10% of wildlife watchers report a Dull-colored Grassquit in Machalilla National Park on a given day, against under 5% in August to June, the lowest months. That is one of Machalilla National Park's driest months, with about 15 mm of rain against 140 mm in February.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Dull-colored Grassquit sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 6 parks where we can rate Dull-colored Grassquit sightings, Machalilla National Park ranks 4th at under 5%, level with the leaders once rounded. The best odds are in Henri Pittier National Park (Venezuela, under 5%), Amboró National Park (Bolivia, under 5%) and Farallones de Cali National Natural Park (Colombia, under 5%).
Same family: Thraupidae
The closest relatives of the Dull-colored Grassquit that you can see in Machalilla National Park (family Thraupidae, Tanagers and Allies) are Blue-gray Tanager (about 50%), Saffron Finch (about 40%) and Streaked Saltator (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dull-colored Grassquit is recorded against all the birds logged in Machalilla National Park (7 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.
