[Length 9.25 in. Wingspan 20.5 in.]

This Little Tern was photographed at the tidal mudflats, Dongtai, Jiangsu, China. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: May 16, 2017)

[Length 9 in. Wingspan 20.5 in.]

This Little Tern was photographed at Titchwell RSPB Reserve, Norfolk, England. Photo taken with a Nikkor EDAF 300mm f4.0 lens on Kodachrome 200 film. (Date: May 2002)

[Length 9.25 in. Wingspan 20.5 in.]

This Little Tern was photographed at the tidal mudflats, Dongtai, Jiangsu, China. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D7100 camera. (Date: May 16, 2017)

[Length 12.5 in. Wingspan 29 in.]

This Roseate Tern was photographed at Jamaica Bay NWR, Far Rockaway, New York. Photo taken with a Canon EOS 10D camera (lens unknown). (Date: July 01, 2007)

[Length 20 in. Wingspan 41 in.]

This Royal Tern was photographed at On beach near Bolivar Flats Reserve, Bolivar Peninsula, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens + Nikkor TC14E II 1.4x Teleconverter (EFL=630mm) on a Nikon D100 camera. (Date: April 19, 2005)

[Length 20 in. Wingspan 41 in.]

This Royal Tern in full breeding plumage (note the full black cap, which is only full for a very brief period during the early summer) was photographed at Boca Chica, Texas, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: April 2000)

[Length 20 in. Wingspan 41 in.]

This Royal Tern in flight was photographed at Stone Harbor, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: July 1988)

[Length 20 in. Wingspan 41 in.]

This Royal Tern was photographed at Corpus Christi, Texas, USA. Photo taken with a Nikkor 300 lens on Kodachrome 200 film. (Date: January 1989)