Empidonax flaviventris
Silhouette: Emily Willoughby · PhyloPic
In 3 days <5%
The yellow-bellied flycatcher (Empidonax flaviventris) is a small insect-eating bird of the tyrant flycatcher family. Adults have greenish upperparts and yellowish underparts (especially on the throat), with a dusky wash on the chest. They have a white or yellow eye ring that lacks the teardrop projection of the western flycatcher, white or yellowish wing bars that contrast strongly against the black wings, a broad, flat bill, and a relatively short tail when compared to other members of the genus. The upper mandible of the bill is dark, while the lower mandible is orange-pink. DNA testing in 2014 confirmed a field mark, involving the extent of buffy edging on the secondaries, to reliably distinguish this species from the western flycatcher.
Measurements: Length: 5.1–5.9 in (13–15 cm) Weight: 0.3–0.6 oz (8.5–17.0 g) Wingspan: 7.1–7.9 in (18–20 cm) Yellow-bellied flycatchers wait on a perch low or in the middle of a tree and fly out to catch insects in flight, sometimes hovering over foliage. They sometimes eat berries or seeds.
The yellow-bellied flycatcher's song can be transcribed as a rough, descending "tse-berk", which can be similar to the more common least... Wikipedia →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San José | 🇨🇷 Costa Rica | |
| 2 | Guatemala City | 🇬🇹 Guatemala | |
| 3 | Tegucigalpa | 🇭🇳 Honduras | |
| 4 | Chicago | 🇺🇸 United States | |
| 5 | San Antonio | 🇺🇸 United States | |
| 6 | San Salvador | 🇸🇻 El Salvador | |
| 7 | Toronto | 🇨🇦 Canada | |
| 8 | Austin | 🇺🇸 United States | |
| 9 | Houston | 🇺🇸 United States | |
| 10 | Montreal | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Yellow-bellied Flycatcher sighting in Monterrey on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 174th most-seen of the 207 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 Yellow-bellied Flycatcher in Monterrey on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Yellow-bellied Flycatcher 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 21 cities where we can rate Yellow-bellied Flycatcher sightings, Monterrey ranks 13th at under 5%, level with the leaders once rounded. The best odds are in San José (Costa Rica, under 5%), Guatemala City (Guatemala, under 5%) and Tegucigalpa (Honduras, under 5%).
GBIF citizen-science records
It is estimated from how often the Yellow-bellied Flycatcher is recorded against all the birds logged in Monterrey (13 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.
