What are the chances of seeing a Greater Yellowlegs in Philadelphia?
Rare
Under 5% of wildlife watchers report a Greater Yellowlegs sighting in Philadelphia on a given day, based on 267 verified sightings from GBIF citizen-science data. It is the 138th most-seen of the 248 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
When is the best time to see a Greater Yellowlegs in Philadelphia?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Greater Yellowlegs in Philadelphia on a given day, so our monthly data shows no clear season.
What time of day is best to see a Greater Yellowlegs?
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Greater Yellowlegs 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 Philadelphia the best place to see a Greater Yellowlegs?
36th of 52
Of the 52 cities where we can rate Greater Yellowlegs sightings, Philadelphia ranks 36th at under 5%. The best odds are in Anchorage (United States, about 30%), Montevideo (Uruguay, about 20%) and Mesa (United States, about 20%).
Where does the Greater Yellowlegs sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Greater Yellowlegs is recorded against all the birds logged in Philadelphia (267 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.