What are the chances of seeing a Barred Marble in Saint Petersburg?
Rare
Under 5% of wildlife watchers report a Barred Marble sighting in Saint Petersburg on a given day, based on 24 verified sightings from GBIF citizen-science data. It is the 126th most-seen of the 448 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 Barred Marble in Saint Petersburg?
July
In that month about 10% of wildlife watchers report a Barred Marble in Saint Petersburg on a given day, against under 5% in August to June, the lowest months. That is one of Saint Petersburg's wettest months, with about 100 mm of rain against 40 mm in February.
What time of day is best to see a Barred Marble?
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Barred Marble sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Is Saint Petersburg the best place to see a Barred Marble?
12th of 17
Of the 17 cities where we can rate Barred Marble sightings, Saint Petersburg ranks 12th at under 5%. The best odds are in London (United Kingdom, about 10%), Liverpool (United Kingdom, about 10%) and Helsinki (Finland, about 10%).
Where does the Barred Marble sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Barred Marble is recorded against all the insects logged in Saint Petersburg (24 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.