What are the chances of seeing an Oval-Headed Sweat Bee in Portland?
Rare
Under 5% of wildlife watchers report an Oval-Headed Sweat Bee sighting in Portland on a given day, based on 15 verified sightings from GBIF citizen-science data. It is the 269th most-seen of the 507 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see an Oval-Headed Sweat Bee in Portland?
May
In that month about 10% of wildlife watchers report an Oval-Headed Sweat Bee in Portland on a given day, against under 5% in June to April, the lowest months.
Is Portland the best place to see an Oval-Headed Sweat Bee?
Yes
Of the 4 cities where we can rate Oval-Headed Sweat Bee sightings, Portland has the highest daily chance: under 5%. Next come Seattle (United States, under 5%) and San Diego (United States, under 5%).
Where does the Oval-Headed Sweat Bee sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Oval-Headed Sweat Bee is recorded against all the insects logged in Portland (15 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.