What are the chances of seeing a Symmoca signatella in Portland?
Rare
Under 5% of wildlife watchers report a Symmoca signatella sighting in Portland on a given day, based on 32 verified sightings from GBIF citizen-science data. It is the 192nd 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 30%, if each day is a fresh chance.
When is the best time to see a Symmoca signatella in Portland?
June and July
In those months about 10% of wildlife watchers report a Symmoca signatella in Portland on a given day, against under 5% in August to May, the lowest months. Those are among Portland's driest months, with about 35 mm of rain a month against 250 mm in December.
Is Portland the best place to see a Symmoca signatella?
Yes
Of the 5 cities where we can rate Symmoca signatella sightings, Portland has the highest daily chance: under 5%. Next come Madrid (Spain, under 5%) and Sacramento (United States, under 5%).
Where does the Symmoca signatella sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Symmoca signatella is recorded against all the insects logged in Portland (32 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.