Agriornis montanus
Silhouette: Emily Willoughby · PhyloPic
In 3 days <5%
The black-billed shrike-tyrant (Agriornis montanus) is a bird species in the Tyrannidae family, the tyrant flycatchers. It is found in Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru, and possibly has occurred as a vagrant to the Falkland Islands.
The black-billed shrike-tyrant was formally described in 1837 as Pepoazae montana. It was later transferred to the genus Agriornis that was erected in 1839. The black-billed shrike-tyrant's taxonomy is unsettled. The IOC recognizes these six subspecies:
This article follows the six-subspecies model. The black-billed shrike-tyrant is 22 to 24 cm (8.7 to 9.4 in) long. The sexes have the same plumage. Adults of the nominate subspecies A. m. montanus have a whitish stripe above the lores, a buffish white... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Lauca National Park | 🇨🇱 Chile | |
| 2 | Nahuel Huapi National Park | 🇦🇷 Argentina | |
| 3 | Torres del Paine National Park | 🇨🇱 Chile |
Rare
Under 5% of wildlife watchers report a Black-billed Shrike-Tyrant sighting in Santiago on a given day, based on 31 verified sightings from GBIF citizen-science data. It is the 79th most-seen of the 110 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 Black-billed Shrike-Tyrant in Santiago on a given day, so our monthly data shows no clear season.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Black-billed Shrike-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.
Yes
Of the 2 cities where we can rate Black-billed Shrike-Tyrant sightings, Santiago has the highest daily chance: under 5%. Next come Quito (Ecuador, under 5%).
GBIF citizen-science records
It is estimated from how often the Black-billed Shrike-Tyrant is recorded against all the birds logged in Santiago (31 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.
