What are the chances of seeing a European Greenfinch in Cologne?
Possible
About 20% of wildlife watchers report a European Greenfinch sighting in Cologne on a given day, based on 110 verified sightings from GBIF citizen-science data. It is the 33rd most-seen of the 89 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
