Ochthoeca diadema
Silhouette: Emily Willoughby · PhyloPic
In 3 days <5%
The yellow-bellied chat-tyrant (Silvicultrix diadema) is a species of passerine bird in the family Tyrannidae, the tyrant flycatchers. It is found in Colombia, Ecuador, Peru, and Venezuela. The yellow-bellied chat-tyrant has a complicated taxonomic history. It was formally described in 1843 as Myiobius diadema. In 1966 Meyer de Schauensee placed the yellow-bellied chat-tyrant in genus Ochthoeca. Wesley Lanyon moved it to Silvicultrix when he erected that genus in 1986. In 2009 the IOC adopted the change in genus to Silvicultrix. BirdLife International's Handbook of the Birds of the World (HBW) adopted the reassignment to Silvicultrix in 2016, the Clements taxonomy in 2022, and the South American Classification Committee of the American Ornithological Society (SACC) in 2023.
The yellow-bellied chat-tyrant has these five subspecies: It appears large-headed and has long rictal bristles. The sexes have the same... Wikipedia →
Recording
© Sue Riffe · XCXC1036930 · CC BY-NC-SA 4.0
Recording
© Peter Boesman · XCXC693849 · CC BY-NC-ND 4.0
Recording
© Juan Carlos Crespo · XCXC597909 · CC BY-NC-SA 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Podocarpus National Park | 🇪🇨 Ecuador | |
| 2 | Los Nevados National Natural Park | 🇨🇴 Colombia | |
| 3 | Chingaza National Natural Park | 🇨🇴 Colombia | |
| 4 | Farallones de Cali National Natural Park | 🇨🇴 Colombia |
Rare
Under 5% of wildlife watchers report a Yellow Bellied Chat Tyrant sighting in Farallones de Cali National Natural Park on a given day, based on 26 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 419th most-seen of the 542 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 Chat Tyrant in Farallones de Cali National Natural Park 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 Chat Tyrant sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
4th of 4
Of the 4 parks where we can rate Yellow Bellied Chat Tyrant sightings, Farallones de Cali National Natural Park ranks 4th at under 5%. The best odds are in Podocarpus National Park (Ecuador, about 10%), Los Nevados National Natural Park (Colombia, under 5%) and Chingaza National Natural Park (Colombia, under 5%).
GBIF citizen-science records
It is estimated from how often the Yellow Bellied Chat Tyrant is recorded against all the birds logged in Farallones de Cali National Natural Park (26 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.
