What are the chances of seeing a European Greenfinch in Vienna?
Possible
About 20% of wildlife watchers report a European Greenfinch sighting in Vienna on a given day, based on 452 verified sightings from GBIF citizen-science data. It is the 24th most-seen of the 126 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
