What are the chances of seeing a Colorado Mason in San Francisco?
Rare
Under 5% of wildlife watchers report a Colorado Mason sighting in San Francisco on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 373rd most-seen of the 737 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
When is the best time to see a Colorado Mason in San Francisco?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Colorado Mason in San Francisco on a given day, so our monthly data shows no clear season.
Is San Francisco the best place to see a Colorado Mason?
Among the best
Of the 3 cities where we can rate Colorado Mason sightings, San Francisco ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in San Diego (United States, under 5%).
Where does the Colorado Mason sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Colorado Mason is recorded against all the insects logged in San Francisco (20 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.