What are the chances of seeing a Black Swift in Bastimentos Island National Marine Park?
Rare
Under 5% of wildlife watchers report a Black Swift sighting in Bastimentos Island National Marine Park on a given day, based on 83 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 223rd most-seen of the 375 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.
When is the best time to see a Black Swift in Bastimentos Island National Marine Park?
May–June and October
In those months about 10% of wildlife watchers report a Black Swift in Bastimentos Island National Marine Park on a given day, against under 5% in July–September and November–April, the lowest months.
What time of day is best to see a Black Swift?
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Black Swift sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Bastimentos Island National Marine Park the best place to see a Black Swift?
4th of 26
Of the 26 parks where we can rate Black Swift sightings, Bastimentos Island National Marine Park ranks 4th at under 5%. The best odds are in Blue and John Crow Mountains National Park (Jamaica, about 10%), Jasper National Park (Canada, about 10%) and Glacier National Park (United States, about 10%).
Where does the Black Swift sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black Swift is recorded against all the birds logged in Bastimentos Island National Marine Park (83 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.