Hemitriccus margaritaceiventer
Silhouette: Emily Willoughby · PhyloPic
In 3 days ~20% in a week ~40%
The pearly-vented tody-tyrant (Hemitriccus margaritaceiventer) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in every mainland South American country except Chile, Ecuador, French Guiana, and Suriname.
The pearly-vented tody-tyrant has a complicated taxonomic history. It was originally described in 1837 as Todirostrum margaritacei venter. At various times since then it has been placed in genera Euscarthmornis and Idioptilon, both of which were eventually merged into Hemitriccus.
The pearly-vented tody-tyrant has these nine subspecies: What is now Pelzeln's tody-tyrant (H. inornatus) was previously treated as a subspecies of the pearly-vented tody-tyrant. The pearly-vented tody-tyrant is about 10 to 11 cm (3.9 to 4.3 in) long and weighs 7 to 10 g (0.25 to 0... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Iberá National Park | 🇦🇷 Argentina | |
| 3 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 4 | El Palmar National Park | 🇦🇷 Argentina | |
| 5 | Amboró National Park | 🇧🇴 Bolivia | |
| 6 | Emas National Park | 🇧🇷 Brazil | |
| 7 | Iguaçu National Park | 🇧🇷 Brazil | |
| 8 | Iguazú National Park | 🇦🇷 Argentina | |
| 9 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 10 | Tayrona National Natural Park | 🇨🇴 Colombia | |
| 11 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 12 | Serra da Canastra National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Asuncion | 🇵🇾 Paraguay | |
| 2 | Santa Cruz de la Sierra | 🇧🇴 Bolivia | |
| 3 | Cordoba | 🇦🇷 Argentina | |
| 4 | Campo Grande | 🇧🇷 Brazil | |
| 5 | Caracas | 🇻🇪 Venezuela | |
| 6 | Belo Horizonte | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Pearly-vented Tody-Tyrant sighting in Amboró National Park on a given day, based on 32 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 105th most-seen of the 273 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
January
In that month about 30% of wildlife watchers report a Pearly-vented Tody-Tyrant in Amboró National Park on a given day, against under 5% in April, July–August, October and December, the lowest months. That is one of Amboró National Park's wettest months, with about 340 mm of rain against 90 mm in September. June has too few records to rate.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Pearly-vented Tody-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.
5th of 12
Of the 12 parks where we can rate Pearly-vented Tody-Tyrant sightings, Amboró National Park ranks 5th at about 10%. The best odds are in El Impenetrable National Park (Argentina, about 70%), Iberá National Park (Argentina, about 30%) and Chapada Diamantina National Park (Brazil, about 20%).
Same family: Tyrannidae
The closest relatives of the Pearly-vented Tody-Tyrant that you can see in Amboró National Park (family Tyrannidae, Tyrant Flycatchers) are Black Phoebe (about 60%), Yellow-olive Flycatcher (about 40%) and Sepia-capped Flycatcher (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pearly-vented Tody-Tyrant is recorded against all the birds logged in Amboró National Park (32 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.
