[Length 9 in. Wingspan 20 in.]

This Least Tern in flight was photographed at the Rt. 48 Boat Ramp, Port Isabel, Texas. 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: July 11, 2019)

[Length 9 in. Wingspan 20 in.]

Least Terns breed along the eastern and southwestern coasts of the US, and along the major rivers in the central US. Their habit of nesting on open beaches along the coasts has decreased their numbers due to habitat loss and disturbance. This pair was photographed during a courtship display at a traditional nesting site at Longport, New Jersey, USA. Photo taken with a 750 f5.6 Celestron mirror lens on Ektachrome 200 film pushed to 400. (Date: June 1988)

[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)