Hylophilus pectoralis
Silhouette: Sheatherius · PhyloPic
In 3 days ~40% in a week ~70%
The ashy-headed greenlet (Hylophilus pectoralis) is a species of bird in the family Vireonidae, the vireos, greenlets, and shrike-babblers. It is found in Bolivia, Brazil, French Guiana, Guyana, Peru, Suriname, and Venezuela.
The ashy-headed greenlet is monotypic. It and the olivaceous greenlet (H. olivaceus) are sister species. The ashy-headed greenlet is 12 cm (4.7 in) long and weighs 10.3 to 12.4 g (0.36 to 0.44 oz). The sexes have the same plumage. Adults have a dull gray forehead, crown, and nape. They have a dull grayish white supercilium and grayish ear coverts. Their upperparts are dull greenish. Their wings and tail are dull greenish with brighter greenish edges on the feathers. Their chin is off-white, their throat mottled grayish white, their breast greenish yellow, their flanks grayish, and their belly dull white. They have a brown or orangey-brown iris, a dark brown maxilla, a lighter brown mandible, and pink-brown legs and feet. Juveniles have a more buffy (less gray) crown than adults.
The ashy-headed greenlet has a disjunct distribution. Its main range forms a rough backwards "E" shape that... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report an Ashy-headed Greenlet sighting in São Luís on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 57th most-seen of the 74 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
June
In that month about 50% of wildlife watchers report an Ashy-headed Greenlet in São Luís on a given day, against about 10% in July to April, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Ashy-headed Greenlet 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 Ashy-headed Greenlet sightings, São Luís ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Goiânia (Brazil, about 20%).
Same family: Vireonidae
The closest relatives of the Ashy-headed Greenlet that you can see in São Luís (family Vireonidae, Vireos, Shrike-Babblers, and Erpornis) are Red-eyed Vireo (about 30%) and Rufous-browed Peppershrike (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Ashy-headed Greenlet is recorded against all the birds logged in São Luís (8 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.
