Vagrant Antarctic fur seals at the Tristan da Cunha Islands

摘要

Antarctic fur seals Arctocephalus gazellamainly breed at islands south of the Antarctic Polar Front,but stragglers occasionally occur farther north, with recordsfrom Gough Island (40 S, 10 W) in the central SouthAtlantic Ocean in October/November 2005 and September/October 2009. We report the first record from Tristan daCunha (37 S, 12 W) in September 2013, and anotherindividual that was observed at Gough Island. Both individualswere lean, lethargic subadult males that werepresent before the onset of the breeding (pupping) seasonof the resident populations of subantarctic fur seals Arctocephalustropicalis.