What are the chances of seeing a Little Tern in Lisbon?
Rare
Under 5% of wildlife watchers report a Little Tern sighting in Lisbon on a given day, based on 117 verified sightings from GBIF citizen-science data. It is the 101st most-seen of the 186 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.

