1. Mallard Anas platyrhynchos platyrhynchos, male, Kenilworth Aquatic Gardens, District of Columbia, USA, December 2, 2006. Nikon D80; Nikkor 70-300mm f4-5.6G AF lens (@300mm); 1/1000, f8, ISO 800.

2. Mallard A. p. platyrhynchos, male, Kenilworth Aquatic Gardens, District of Columbia, USA, December 2, 2006. Same bird as in image 1 above. Nikon D80; Nikkor 70-300mm f4-5.6G AF lens (@300mm); 1/1000, f8, ISO 800.

3. Mallard A. p. platyrhynchos, male and female, Kenilworth Aquatic Gardens, District of Columbia, USA, December 2, 2006. Same male as in image 1 above. Nikon D80; Nikkor 70-300mm f4-5.6G AF lens (@300mm); 1/1000, f8, ISO 800.

4. Mallard A. p. platyrhynchos, female, Kenilworth Aquatic Gardens, District of Columbia, USA, December 2, 2006. Same female as in image 3 above. Nikon D80; Nikkor 70-300mm f4-5.6G AF lens (@300mm); 1/1000, f8, ISO 800.

5. Mallard A. p. platyrhynchos, female, Kenilworth Aquatic Gardens, District of Columbia, USA, December 2, 2006. Same female as in image 3 above. Nikon D80; Nikkor 70-300mm f4-5.6G AF lens (@300mm); 1/1000, f8, ISO 800.