Tyrannulus elatus
Silhouette: Emily Willoughby · PhyloPic
In 3 days ~20% in a week ~30%
The yellow-crowned tyrannulet (Tyrannulus elatus) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Costa Rica, Panama, and in every mainland South American country except Argentina, Chile, Paraguay, and Uruguay.
The yellow-crowned tyrannulet was originally described as Sylvia elata in 1790; it was reclassified in genus Tyrannulus in 1816. It is the only member of genus Tyrannulus and has no subspecies. The yellow-crowned tyrannulet is 10 to 11 cm (3.9 to 4.3 in) long and weighs 6.5 to 8 g (0.23 to 0.28 oz). Adult males have a slate-gray to dark brown or blackish crown with a bright yellow to orange-yellow stripe along its middle. Their nape and back are bright olive-green. They have a grayish supercilium, a thin dark line through the eye, and a pale gray lower face. Their wings are dusky with two white to yellowish white bars. Their tail is dusky olive. Their throat is pale gray and their underparts pale to medium yellow with an olive wash on the breast. Females are smaller than males and have a paler gray crown and mid-crown stripe and slightly paler upperparts. Both sexes have... Wikipedia →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Panama City | 🇵🇦 Panama | |
| 2 | Cali | 🇨🇴 Colombia | |
| 3 | Belém | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Yellow-crowned Tyrannulet sighting in Piedras Blancas National Park on a given day, based on 116 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 174th most-seen of the 344 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
October
In that month about 30% of wildlife watchers report a Yellow-crowned Tyrannulet in Piedras Blancas National Park on a given day, against under 5% in February, June–July and November, the lowest months. That is one of Piedras Blancas National Park's wettest months, with about 650 mm of rain against 55 mm in February.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Yellow-crowned Tyrannulet sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
13th of 27
Of the 27 parks where we can rate Yellow-crowned Tyrannulet sightings, Piedras Blancas National Park ranks 13th at about 10%. The best odds are in Amacayacu National Natural Park (Colombia, about 30%), Tayrona National Natural Park (Colombia, about 20%) and Yasuní National Park (Ecuador, about 20%).
Same family: Tyrannidae
The closest relatives of the Yellow-crowned Tyrannulet that you can see in Piedras Blancas National Park (family Tyrannidae, Tyrant Flycatchers) are Tropical Kingbird (about 60%), Great Kiskadee (about 60%) and Social Flycatcher (about 50%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow-crowned Tyrannulet is recorded against all the birds logged in Piedras Blancas National Park (116 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.
