Whiskered Tern (Chlidonias hybridus hybridus) - Adult breeding
Lake Naivasha, Kenya - March 13, 2010
Canon EOS 7D, Canon 500mm f/4.0 L USM
© Martin Lofgren

Whiskered Tern (Chlidonias hybridus hybridus) - Adult summer
Lake Kerkini, Greece - June 11, 2010
Canon EOS 7D, Canon 500mm f/4.0 L USM
© Martin Lofgren