What are the chances of seeing a Chaffinch in Sierra de Guadarrama National Park?
Very likely
About 70% of wildlife watchers report a Chaffinch sighting in Sierra de Guadarrama National Park on a given day, based on 3,546 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the most-seen of the 202 birds we can rate there. Over three days the chance rises to over 90%, if each day is a fresh chance.
