Fig. 1From: A multiplex marker set for microsatellite typing and sexing of sooty terns Onychoprion fuscatusRelative locations of Ascension Island in the South Atlantic and of the study colonies of sooty terns Onychoprion fuscatus on the island. Dark grey areas represent the cumulative extent of peak breeding occupancy by birds between 1996 and 2016 (inclusive). Ascension Island base map source: Ascension Island Government Conservation and Fisheries Department (AIGCFD)Back to article page