Volatinia jacarina
Silhouette: Sheatherius · PhyloPic
In 3 days ~30% in a week ~60%
The blue-black grassquit (Volatinia jacarina) is a small Neotropical bird in the family Thraupidae, the tanagers and allies. It is found in Mexico, every Central American country, every mainland South American country, in Trinidad and Tobago, and in Grenada.
The blue-black grassquit was formally described by the Swedish naturalist Carl Linnaeus in 1766 in the twelfth edition of his Systema Naturae under the binomial name Tanagra jacarina. Linnaeus based his description on the "Jacarni" that was described in 1648 by the German naturalist Georg Marcgrave in his Historia Naturalis Brasiliae. The type locality is eastern Brazil. The specific epithet jacarina is derived from the Tupi language and was used for a type of finch. The blue-black grassquit is now the only species in the genus Volatinia that was introduced in 1850 by the German naturalist Ludwig Reichenbach. The genus name is a diminutive of the Latin volatus meaning "flying".
Within the tanager family Thraupidae the blue-black grassquit is in the subfamily Tachyphoninae and is a member of a clade that contains the genera Conothraupis and Creurgops. It was formerly placed with the buntings in the... Wikipedia →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Pedro Sula | 🇭🇳 Honduras | |
| 2 | Lima | 🇵🇪 Peru | |
| 3 | Goiânia | 🇧🇷 Brazil | |
| 4 | Santa Cruz de la Sierra | 🇧🇴 Bolivia | |
| 5 | Natal | 🇧🇷 Brazil | |
| 6 | Campinas | 🇧🇷 Brazil | |
| 7 | São Luís | 🇧🇷 Brazil | |
| 8 | Campo Grande | 🇧🇷 Brazil | |
| 9 | Brasilia | 🇧🇷 Brazil | |
| 10 | Cali | 🇨🇴 Colombia |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Basel Zoo | 🇨🇭 Switzerland | |
| 2 | Burgers' Ocean | 🇳🇱 Netherlands | |
| 3 | Royal Burgers' Zoo | 🇳🇱 Netherlands | |
| 4 | Zoo Lagos | 🇵🇹 Portugal | |
| 5 | Butterfly World | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Blue-black Grassquit sighting in São Luís on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 61st most-seen of the 74 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
January
In that month about 30% of wildlife watchers report a Blue-black Grassquit in São Luís on a given day, against about 10% in February–October and December, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Blue-black Grassquit sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
7th of 35
Of the 35 cities where we can rate Blue-black Grassquit sightings, São Luís ranks 7th at about 10%. The best odds are in San Pedro Sula (Honduras, about 30%), Lima (Peru, about 30%) and Goiânia (Brazil, about 30%).
Same family: Thraupidae
The closest relatives of the Blue-black Grassquit that you can see in São Luís (family Thraupidae, Tanagers and Allies) are Bananaquit (about 50%), Blue-gray Tanager (about 40%) and Palm Tanager (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Blue-black Grassquit is recorded against all the birds logged in São Luís (7 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.
