What are the chances of seeing a Black-Fronted Forktail in San Francisco?
Rare
Under 5% of wildlife watchers report a Black-Fronted Forktail sighting in San Francisco on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 458th most-seen of the 737 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
When is the best time to see a Black-Fronted Forktail in San Francisco?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Black-Fronted Forktail in San Francisco on a given day, so our monthly data shows no clear season.
Is San Francisco the best place to see a Black-Fronted Forktail?
5th of 5
Of the 5 cities where we can rate Black-Fronted Forktail sightings, San Francisco ranks 5th at under 5%. The best odds are in Mexico City (México, about 10%), Las Vegas (United States, about 10%) and Los Angeles (United States, under 5%).
Where does the Black-Fronted Forktail sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black-Fronted Forktail is recorded against all the insects logged in San Francisco (14 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.