What are the chances of seeing a Common Marble in Helsinki?
With luck
About 10% of wildlife watchers report a Common Marble sighting in Helsinki on a given day, based on 45 verified sightings from GBIF citizen-science data. It is the 144th most-seen of the 838 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
When is the best time to see a Common Marble in Helsinki?
July
In that month about 20% of wildlife watchers report a Common Marble in Helsinki on a given day, against under 5% in October to May, the lowest months.
What time of day is best to see a Common Marble?
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Common Marble sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
Is Helsinki the best place to see a Common Marble?
Among the best
Of the 22 cities where we can rate Common Marble sightings, Helsinki ranks 6th at about 10%, level with the leaders once rounded. The best odds are in London (United Kingdom, about 10%), Birmingham (United Kingdom, about 10%) and Liverpool (United Kingdom, about 10%).
Which relatives of the Common Marble live in Helsinki?
Same family: Tortricidae
The closest relatives of the Common Marble that you can see in Helsinki (family Tortricidae, Tortricid Leafroller Moths) are Barred Marble (about 10%), White-Foot Bell (about 10%) and Common Yellow Conch (about 10%), with each one's daily chance of a sighting.
Where does the Common Marble sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Common Marble is recorded against all the insects logged in Helsinki (45 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.