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Heerman's gull        Images © Mark A. Chappell

The uniquely-colored Heerman's gull breeds in Baja California and islands in the Sea of Cortez.  These birds, with white heads and red bills, are adults; those with pure white heads are ready to go south for the mating season; juveniles are dark sooty-brown all over.   These were photographed in La Jolla, Pacific Grove, Crystal Cove State Park, and San Diego, California.  

  • Canon EOS1v, 500 mm f4 IS lens plus 1.4X converter, Elite Chrome Extra Color (2003)
  • Canon 10D, 1D4 or 7D2; 500 mm f4 IS lens, 800 mm IS lens plus 1.4X converter, or 100-400 Mk. II zoom (2003, 2005, 2007, 2013, 2014, 2016)
  • Olympus E-M1X; 300mm f4 lens plus 1.4X converter (2022)