Tag Archives: Apodidae

Geolocator study reveals that Plain Swifts winter in equatorial West Africa

The Plain Swift (Apus unicolor) is known to breed on the Canary Islands and Madeira in the north-east Atlantic. The populations of these two Macaronesian archipelagos are believed to be partly migratory, with an unknown proportion of the breeding population departing the islands during the winter months. Prior to the study by Norton et al.… Read More »