What are the chances of seeing a Prothonotary Warbler in San Francisco?
Rare
Under 5% of wildlife watchers report a Prothonotary Warbler sighting in San Francisco on a given day, based on 158 verified sightings from GBIF citizen-science data. It is the 286th most-seen of the 375 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
When is the best time to see a Prothonotary Warbler in San Francisco?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Prothonotary Warbler in San Francisco on a given day, so our monthly data shows no clear season.
What time of day is best to see a Prothonotary Warbler?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Prothonotary Warbler sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is San Francisco the best place to see a Prothonotary Warbler?
24th of 27
Of the 27 cities where we can rate Prothonotary Warbler sightings, San Francisco ranks 24th at under 5%. The best odds are in Barranquilla (Colombia, about 10%), Panama City (Panama, about 10%) and Havana (Cuba, under 5%).
Which relatives of the Prothonotary Warbler live in San Francisco?
Same family: Parulidae
The closest relatives of the Prothonotary Warbler that you can see in San Francisco (family Parulidae, New World Warblers) are Yellow-rumped Warbler (about 40%), Townsend's Warbler (about 20%) and Common Yellowthroat (about 10%), with each one's daily chance of a sighting.
Where does the Prothonotary Warbler sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Prothonotary Warbler is recorded against all the birds logged in San Francisco (158 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.