Mallard Duck silueta 11 months 12 Duck silueta 11 months 1 Male mallard bird silueta over 1 year 1 Duck silueta over 1 year 3 Duck silueta over 1 year 1 Mallard silueta over 1 year 1 Duck silueta over 1 year 5 Duck silueta over 1 year 8 Duck silueta over 1 year 2 Bird silueta over 1 year 1 Duck silueta over 1 year 2 Flying Mallard Ducks silueta over 5 years 176 Mallard silueta over 5 years 157 Mallard Duck Flying silueta over 5 years 213 Mallard Duck silueta over 5 years 239