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Note feet and red top of frontal shield. The American coot is recognized by its white frontal shield with a red spot connecting its eyes. The size of the frontal shield depends on season and mating status. During the winter season, birds have smaller, 'shrunken' shields. During breeding season, birds are recorded to have swelled shields.
Both sexes have pink or red wattles around the bill, those of the male being larger and more brightly colored. [3] [4] Although the Muscovy duck is a tropical bird, it adapts well to cooler climates, thriving in weather as cold as −12 °C (10 °F) and able to survive even colder conditions.
The bill is blackish and the legs and feet are bluish-gray. The iris is bright red in the spring, but duller in the winter. The adult female (hen) also has a black bill, a light brown head and neck, grading into a darker brown chest and foreback. The sides, flanks, and back are grayish brown. The bill is blackish and the legs and feet are ...
Palmate feet – Chilean flamingo. Totipalmate feet – blue-footed booby. Western grebe presenting a lobate foot. Lobate feet – a chick of the Eurasian coot. The great crested grebe. The feet in loons [2] and grebes [2] [7] are placed far at the rear of the body - a powerful accommodation to swimming underwater, [7] but a handicap for walking.
Mallard. When you think of ducks, the bird you picture is most likely a Mallard. This is because these ducks are seemingly everywhere, with populations spanning from South Africa to North America.
The back and sides are gray, the belly is white and the rump and tail are black. Male bills are pale blue with a black tip and a thin ring separating the two colors. Non-breeding males lose the copper color and instead have brown heads. The eyes are yellow, one of the most obvious distinctions from canvasback and common pochard, which have red ...
His iris is yellow-orange to red, growing brighter in the breeding season. [15] The legs and feet are grey in both sexes and all ages. The female's iris is brown, sometimes tending towards yellowish-brown. The juvenile's iris is yellow-olive, but attains its adult colour during the first winter. [16]
Their brown color serves as camouflage in the marshes they live in. [12] They do not have white visible under their wings when flying, like other grebes. [13] Their undertail is white [ 11 ] and they have a short, blunt chicken-like bill that is a light grey color, [ 2 ] [ 11 ] which in summer is encircled by a broad black band (hence the name).