Anas strepera
Gadwall

Kingdom Animalia  – Animal, animaux, animals
    Phylum Chordata  – cordés, cordado, chordates
        Subphylum Vertebrata  – vertebrado, vertébrés, vertebrates
            Class Aves  – Birds, oiseaux
                Order Anseriformes  – Ducks, Geese, Screamers,                                 Swans, Waterfowl, canards, cygnes,  oies,                                      sauvagine
                    Family Anatidae  – Ducks, Geese, Swans, canards,                             cygnes, oies
                        Subfamily Anatinae
                            Genus Anas Linnaeus, 1758 – Dabbling Duck
                                Species Anas strepera Linnaeus, 1758 –                                                 Pato friso, Gadwall, canard chipeau
Size
  • About mallard size
Color
  • Male, gray-brown, black patch at tail
  • Female, brown and buff
  • Both, white wing patch when swimming or resting
Breeding
  • Form pair bond as early as late fall
  • Nest in dense brush or grasses, within 200 yards of open water
  • Clutch size: 7 - 12 eggs
  • Incubation period 24 - 27 days
In Hudson River Park

Male

Female

Pair

Gadwall pair
Male behind; Female ahead

Ducklings
Gadwall pairs
Females and Males
Gadwall pair
Male upper left; Female lower right