[Length 32 in. Wingspan 46 in.]

This Common Loon was photographed at Scarlet Colley's birds and dolphins boat trip, Port Isabel, 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: April 5, 2016)

[Length 32 in. Wingspan 46 in.]

This Common Loon was photographed at Land of the Loon Resort, Anglin Lake, Saskatchewan, Canada. Photo taken with a AF-S VR Nikkor 200-500mm f/5.6 IF-ED lens on a Nikon D7100 camera. (Date: June 19, 2018)

[Length 32 in. Wingspan 46 in.]

This Common Loon was photographed at Land of the Loon Resort, Anglin Lake, Saskatchewan, Canada. Photo taken with a AF-S VR Nikkor 200-500mm f/5.6 IF-ED lens on a Nikon D7100 camera. (Date: June 19, 2018)

[Length 25 in. Wingspan 36 in.]

Pacific Loons occur in northwestern North America and northeastern Siberia. In North America they breed throughout Alaska and central and western Canada. They migrate almost exclusively along the Pacific coast of North America. This one was photographed in the Lake Hood Seaplane Marina in Anchorage, Alaska, USA. Photo taken with a 300 mm f4.5 ED Nikkor Lens on Kodachrome 200 film. (Date: May 1988)

[Length 25 in. Wingspan 36 in.]

This winter plumaged Pacific Loon was photographed at the mouth of the Manasquan River, New Jersey, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: March 1992)

[Length 25 in. Wingspan 36 in.]

This Pacific Loon in flight was photographed at the Northwest Point seawatch at the village of Gambell on St. Lawrence Island, Alaska, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 200 film. (Date: May 1989)

[Length 25 in. Wingspan 36 in.]

This winter plumaged Pacific Loon was photographed at the San Pedro Breakwater in Los Angeles, California, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Ektachrome 200 film. (Date: July 1979)

[Length 25 in. Wingspan 36 in.]

This Red-throated Loon in breeding plumage was photographed at Chincoteague NWR, Virginia, USA. Photo taken with a Nikkor 300mm ED f4.5 lens on Kodachrome 64 film. (Date: May 1981)

[Length 25 in. Wingspan 36 in.]

This winter plumaged Red-throated Loon was photographed at the mouth of the Manasquan River, New Jersey, USA. Photo taken with a Nikkor 300mm EDAF f4.0 lens on Kodachrome 200 film. (Date: March 1992)