What are the chances of seeing a Streamertail (Black-billed) in Blue and John Crow Mountains National Park?
Likely
About 40% of wildlife watchers report a Streamertail (Black-billed) sighting in Blue and John Crow Mountains National Park on a given day, based on 467 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 32nd most-seen of the 91 birds we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
When is the best time to see a Streamertail (Black-billed) in Blue and John Crow Mountains National Park?
May and August–December
In those months about 50% of wildlife watchers report a Streamertail (Black-billed) in Blue and John Crow Mountains National Park on a given day, against about 30% in April, the lowest month. June has too few records to rate.
What time of day is best to see a Streamertail (Black-billed)?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Streamertail (Black-billed) sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Where else can you see a Streamertail (Black-billed)?
Only Blue and John Crow Mountains National Park, in our data
Blue and John Crow Mountains National Park is the only park on Wallace's Line with enough records to rate Streamertail (Black-billed) sightings: about 40% of wildlife watchers there report one on a given day.
Where does the Streamertail (Black-billed) sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Streamertail (Black-billed) is recorded against all the birds logged in Blue and John Crow Mountains National Park (467 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.
