Ochthoeca diadema
Silhouette: Emily Willoughby · PhyloPic
In 3 days ~10% in a week ~20%
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 Los Nevados National Natural Park on a given day, based on 145 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 203rd most-seen of the 424 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
October and November
In those months about 10% of wildlife watchers report a Yellow Bellied Chat Tyrant in Los Nevados National Natural Park on a given day, against under 5% in December to September, the lowest months.
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.
2nd of 4
Of the 4 parks where we can rate Yellow Bellied Chat Tyrant sightings, Los Nevados National Natural Park ranks 2nd at under 5%. The best odds are in Podocarpus National Park (Ecuador, about 10%).
Same genus: Ochthoeca
The closest relatives of the Yellow Bellied Chat Tyrant that you can see in Los Nevados National Natural Park (genus Ochthoeca, Typical Chat-Tyrants) are Brown-backed Chat-Tyrant (about 30%) and Slaty-backed Chat-Tyrant (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow Bellied Chat Tyrant is recorded against all the birds logged in Los Nevados National Natural Park (145 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.
