[Length 5.5 in. Wingspan 14 in.]

This Northern Rough-winged Swallow was photographed at the Convention Center gardens, South Padre Island, Texas, USA. Photo taken with a AF-S VR Zoom-Nikkor 80-400mm f/4.5-5.6G IF-ED lens on a Nikon D3200 camera. (Date: April 25, 2013)

[Length 5.5 in. Wingspan 14 in.]

This Northern Rough-winged Swallow was photographed at the prairie grasslands, Purple Springs, Alberta, Canada. 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: June 30, 2018)

[Length 5.5 in. Wingspan 14 in.]

This Northern Rough-winged Swallow was photographed along the Rio Grande River near McAllen, Texas, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: April 2000)

[Length 5.75 in. Wingspan 14.5 in.]

This Tree Swallow at Nest Box was photographed at Oak Hammock Marsh WMA, Stonewall, Manitoba, Canada. 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: June 15, 2018)

[Length 5.75 in. Wingspan 14.5 in.]

This pair of mating Tree Swallows was photographed at the Magee Marsh boardwalk, Oak Harbor, Ohio, USA. Photo taken with a AF-S VR Zoom-Nikkor 70-300mm f/4.5-5.6G IF-ED lens (EFL=420mm) on a Nikon D300 camera. (Date: May 16, 2012)

[Length 5.75 in. Wingspan 14.5 in.]

This Tree Swallow at Nest Box was photographed at Oak Hammock Marsh WMA, Stonewall, Manitoba, Canada. Photo taken with a AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED [II] lens on a Nikon D3200 camera. (Date: June 15, 2018)

[Length 5.75 in. Wingspan 14.5 in.]

This whimsical portrait of a Tree Swallow was photographed at Brigantine NWR, New Jersey, USA. Photo taken with a Celestron 750mm f5.6 mirror lens on Ektachrome 200 film. (Date: April 1976)

[Length 5.75 in. Wingspan 14.5 in.]

This Tree Swallow was photographed at a Wildlife Management Area along the coast of Delaware, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: June 1991)

[Length 5.75 in. Wingspan 14.5 in.]

This adult Tree Swallow was photographed at Brigantine NWR, New Jersey, USA. Photo taken with a Celestron 750mm f5.6 mirror lens on Ektachrome 200 film. (Date: April 1976)