Antarctic Tern, Cooper Bay, South Georgia, Antarctica, 9 February 2018
Antarctic Tern, Grytviken, South Georgia, Antarctica, 5 January 2019
Antarctic Tern, Petermann Island, Antarctica, 17 February 2018
Arctic Tern, Blomstrand, Svalbard, 16 July 2009
Arctic Tern, Farne Isles, Northumberland, United Kingdom, 7 June 2008
