[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed hunting at Brigantine NWR, New Jersey, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: May 1984)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at Port Aransas Birding Center, Port Aransas, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens (EFL=450mm) on a Nikon D100 camera. (Date: March 23, 2004)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at Port Aransas Birding Center, Port Aransas, Texas, USA. Photo taken with a Nikkor 180mm EDAF-D f2.8 lens (EFL=270mm) on a Nikon D100 camera. (Date: March 23, 2004)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at French Town Road, Port Bolivar, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S VR f2.8 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D200 camera. (Date: May 7, 2008)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at Boca Chica Beach, Brownsville, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens (EFL=450mm) on a Nikon D7000 camera. (Date: January 23, 2012)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at Boca Chica Beach, Boca Chica, Texas, USA. 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: November 4, 2013)

[Length 13 in. Wingspan 31 in.]

This Forster's Tern was photographed at Quivira NWR, Stafford, Kansas. Photo taken with a AF-S VR Nikkor 200-500mm f/5.6 IF-ED lens on a Nikon D7100 camera. (Date: May 11, 2019)

[Length 15.25 in. Wingspan 34 in.]

This Gull-billed Tern was photographed at a bridge over a river, Dafeng, 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 13, 2017)