[Length 10.5 in. Wingspan 23 in.]

This Red Knot was photographed at Bolivar Flats, Bolivar Peninsula, Texas, USA. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter (EFL=750mm) on a Nikon D300 camera. (Date: April 23, 2010)

[Length 9.25 in. Wingspan 23 in.]

This Red Knot was photographed at the tidal mudflats, Dongtai, Jiangsu, China. Photo taken with a AF-S VR Nikkor 300mm f/2.8G IF-ED lens + Nikkor TC17E II 1.7x Teleconverter on a Nikon D7100 camera. (Date: May 13, 2017)

[Length 10.5 in. Wingspan 23 in.]

This winter plumaged Red Knot was photographed at Corpus Christi, Texas, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: November 1980)

[Length 10.5 in. Wingspan 23 in.]

These Red Knots in breeding plumage were photographed at Brigantine NWR, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: May 1982)

[Length 10.5 in. Wingspan 23 in.]

These winter plumaged Red Knots in flight were photographed at the Longport Sod Banks near Longport, New Jersey, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: May 1979)

[Length 10.5 in. Wingspan 23 in.]

These Red Knots in flight in breeding plumage were photographed in the fall at Jamaica Bay NWR, New York, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: August 1989)

[Length 10.5 in. Wingspan 23 in.]

These Red Knots in flight in breeding plumage were photographed in the fall at Jamaica Bay NWR, New York, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: August 1989)

[Length 10.5 in. Wingspan 23 in.]

This Red Knot was photographed at the beach near Bolivar Flats Reserve, Bolivar Peninsula, Texas, USA. Photo taken with a Nikkor 300mm EDAF-S f4 lens + Nikkor TC20E II 2.0x Teleconverter (EFL=900mm) on a Nikon D100 camera. (Date: April 19, 2005)