Satyrium calanus
In 3 days ~10% in a week ~20%
Satyrium calanus, the banded hairstreak, is a butterfly in the family Lycaenidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Acadia National Park | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 4 | Joshua Tree National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toronto | 🇨🇦 Canada | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | Detroit | 🇺🇸 United States | |
| 4 | Chicago | 🇺🇸 United States | |
| 5 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 6 | Montreal | 🇨🇦 Canada | |
| 7 | New York City | 🇺🇸 United States | |
| 8 | Washington | 🇺🇸 United States | |
| 9 | Dallas | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Banded Hairstreak sighting in Minneapolis [Saint Paul] on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 293rd most-seen of the 672 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.
June and July
In those months about 10% of wildlife watchers report a Banded Hairstreak in Minneapolis [Saint Paul] on a given day, against under 5% in August to May, the lowest months. Those are among Minneapolis [Saint Paul]'s wettest months, with about 110 mm of rain a month against 20 mm in January.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Banded Hairstreak sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
5th of 9
Of the 9 cities where we can rate Banded Hairstreak sightings, Minneapolis [Saint Paul] ranks 5th at under 5%. The best odds are in Toronto (Canada, about 10%), Boston (United States, under 5%) and Detroit (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Banded Hairstreak is recorded against all the insects logged in Minneapolis [Saint Paul] (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.
