What are the chances of seeing a Grey Sailor Beetle in Helsinki?
With luck
About 10% of wildlife watchers report a Grey Sailor Beetle sighting in Helsinki on a given day, based on 63 verified sightings from GBIF citizen-science data. It is the 84th most-seen of the 838 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

