What are the chances of seeing a Common Marble in Amsterdam?
With luck
About 10% of wildlife watchers report a Common Marble sighting in Amsterdam on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 112th most-seen of the 234 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 Amsterdam?
May to September
In those months about 10% of wildlife watchers report a Common Marble in Amsterdam on a given day, against under 5% in October to April, 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 Amsterdam the best place to see a Common Marble?
Among the best
Of the 22 cities where we can rate Common Marble sightings, Amsterdam ranks 8th 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 Amsterdam?
Same family: Tortricidae
The closest relatives of the Common Marble that you can see in Amsterdam (family Tortricidae, Tortricid Leafroller Moths) are Privet Tortrix (about 10%), Green Budworm Moth (about 10%) and Carnation Tortrix (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 Amsterdam (13 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.