What are the chances of seeing a Variable Checkerspot in San Francisco?
With luck
About 10% of wildlife watchers report a Variable Checkerspot sighting in San Francisco on a given day, based on 1,102 verified sightings from GBIF citizen-science data. It is the 23rd most-seen of the 737 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see a Variable Checkerspot in San Francisco?
March to May
In those months about 20% of wildlife watchers report a Variable Checkerspot in San Francisco on a given day, against under 5% in July to December, the lowest months.
What time of day is best to see a Variable Checkerspot?
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Variable Checkerspot sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Is San Francisco the best place to see a Variable Checkerspot?
Yes
Of the 2 cities where we can rate Variable Checkerspot sightings, San Francisco has the highest daily chance: about 10%. Next come Los Angeles (United States, under 5%).
Which relatives of the Variable Checkerspot live in San Francisco?
Same family: Nymphalidae
The closest relatives of the Variable Checkerspot that you can see in San Francisco (family Nymphalidae, Brush-footed Butterflies) are Monarch (about 30%), Red Admiral (about 20%) and Gulf Fritillary (about 20%), with each one's daily chance of a sighting.
Where does the Variable Checkerspot sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Variable Checkerspot is recorded against all the insects logged in San Francisco (1,102 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.