Buteogallus aequinoctialis
Silhouette: Sheatherius · PhyloPic
In 3 days ~10% in a week ~20%
The rufous crab hawk (Buteogallus aequinoctialis) or rufous crab-hawk, is a Near Threatened species of bird of prey in subfamily Accipitrinae, the "true" hawks, of family Accipitridae. It is found on Trinidad and along the South American coastline from eastern Venezuela to southern Brazil.
The rufous crab hawk was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with the eagles, hawks and relatives in the genus Falco and coined the binomial name Falco aequinoctialis. Gmelin based his description on the "Aequinoctial eagle" that had been described in 1781 by the English ornithologist John Latham from a specimen that formed part of a private collection in London. The specimen had come from Cayenne. The rufous crab hawk is now one of nine species placed in the genus Buteogallus that was introduced in 1830 by the French naturalist René Lesson. The genus name is a portmanteau of the genus name Buteo introduced in 1779 by Bernard Germain de Lacépède for the buzzards and the genus Gallus introduced in 1760 by Mathurin Jacques Brisson for the junglefowl... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | João Pessoa | 🇧🇷 Brazil |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Parque dos Falcões | 🇧🇷 Brazil |
Rare
Under 5% of wildlife watchers report a Rufous Crab Hawk sighting in João Pessoa on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 84th most-seen of the 99 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.
December
In that month about 10% of wildlife watchers report a Rufous Crab Hawk in João Pessoa on a given day, against under 5% in January to November, the lowest months. That is one of João Pessoa's driest months, with about 30 mm of rain against 230 mm in June.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Rufous Crab Hawk sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only João Pessoa, in our data
João Pessoa is the only city on Wallace's Line with enough records to rate Rufous Crab Hawk sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Rufous Crab Hawk is recorded against all the birds logged in João Pessoa (16 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.
