What are the chances of seeing a Northern Broken-Dash in Chicago?
Rare
Under 5% of wildlife watchers report a Northern Broken-Dash sighting in Chicago on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 669th most-seen of the 978 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 a Northern Broken-Dash in Chicago?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Northern Broken-Dash in Chicago on a given day, so our monthly data shows no clear season.
Is Chicago the best place to see a Northern Broken-Dash?
5th of 7
Of the 7 cities where we can rate Northern Broken-Dash sightings, Chicago ranks 5th at under 5%. The best odds are in Toronto (Canada, about 10%), Boston (United States, under 5%) and Minneapolis [Saint Paul] (United States, under 5%).
Where does the Northern Broken-Dash sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Northern Broken-Dash is recorded against all the insects logged in Chicago (11 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.