 First-year male Bufflehead (right), who was performing a full range of displays trying to attract the attentions of females. Note the larger white cheek patch and whiter sides, compared with the female. 2007-04-19 |
 Male Bufflehead at the Rowing Club pond, 2007-11-01 |
 Female in the act of diving, in the slough, 2007-03-15 |
 From lake platform, 2008-02-21 |
 Female chasing off the competition while a male looks on, at the Rowing Club, 2008-03-06 |
 Rowing Club pond, 2008-11-13 |
 Ollie Oliver's photo of a male, 2009-01-01 |
 Two females, 2009-02-05. Photo by Ollie Oliver |
 Ollie Oliver's photo of a male, 2009-04-30 |
 Ollie Oliver's photo of a male, 2009-11-02 |
 With some Common Goldeneyes, 2009-12-31. Photo by Lillian Reis. |
 Ollie Oliver's photo of a male, 2010-01-21 |