What are the chances of seeing a Brown Booby in Baltimore?
Rare
Under 5% of wildlife watchers report a Brown Booby sighting in Baltimore on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 243rd most-seen of the 246 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 Brown Booby in Baltimore?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Brown Booby in Baltimore on a given day, so our monthly data shows no clear season.
What time of day is best to see a Brown Booby?
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Brown Booby 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 Baltimore the best place to see a Brown Booby?
15th of 17
Of the 17 cities where we can rate Brown Booby sightings, Baltimore ranks 15th at under 5%. The best odds are in Dakar (Senegal, about 20%), Rio de Janeiro (Brazil, about 10%) and Vitória (Brazil, about 10%).
Where does the Brown Booby sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Brown Booby is recorded against all the birds logged in Baltimore (10 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.