Common Loon (Gavia immer) - immature
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer) - immature
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer) - immature
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer) - immature
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer) - immature
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer)
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer)
Barnegat Lighthouse, New Jersey, USA - March 22, 2008
Canon EOS 40D, Canon 300mm f/4.0 L USM + 1.4 Extender II
© Martin Lofgren

Common Loon (Gavia immer) - adult summer
Lake Thingvallavatn, Iceland - July 28, 2004
Canon EOS 10D and a Canon 500mm F4 IS
© Jakob Sigurðsson

Common Loon (Gavia immer) - adult winter
Point Lookout, Long Island, NY, USA - February 20, 2005
Canon D20, Canon 400mm f/5.6 L, Canon 1.4x Extender II
Aperture priority at f/8, Evaluative metering, and Manual focus
© Martin Lofgren

Common Loon (Gavia immer) - adult winter
Point Lookout, Long Island, NY, USA - February 20, 2005
Canon D20, Canon 400mm f/5.6 L, Canon 1.4x Extender II
Aperture priority at f/8, Evaluative metering, and Manual focus
© Martin Lofgren

Common Loon (Gavia immer) - adult winter
Point Lookout, Long Island, NY, USA - February 20, 2005
Canon D20, Canon 400mm f/5.6 L, Canon 1.4x Extender II
Aperture priority at f/8, Evaluative metering, and Manual focus
© Martin Lofgren

Common Loon (Gavia immer) - winter
Point Lookout, Long Island, NY, USA - February 20, 2005
Canon D20, Canon 400mm f/5.6 L, Canon 1.4x Extender II
Aperture priority at f/8, Evaluative metering, and Manual focus
© Martin Lofgren