What are the chances of seeing a California Spreadwing in Portland?
With luck
About 10% of wildlife watchers report a California Spreadwing sighting in Portland on a given day, based on 82 verified sightings from GBIF citizen-science data. It is the 91st most-seen of the 507 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
When is the best time to see a California Spreadwing in Portland?
September
In that month about 20% of wildlife watchers report a California Spreadwing in Portland on a given day, against under 5% in November to June, the lowest months. That is one of Portland's driest months, with about 55 mm of rain against 250 mm in December.
What time of day is best to see a California Spreadwing?
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most California Spreadwing sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Is Portland the best place to see a California Spreadwing?
Yes
Of the 4 cities where we can rate California Spreadwing sightings, Portland has the highest daily chance: about 10%. Next come Seattle (United States, under 5%) and San Diego (United States, under 5%).
Where does the California Spreadwing sighting chance come from?
GBIF citizen-science records
It is estimated from how often the California Spreadwing is recorded against all the insects logged in Portland (82 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.