Their legs are typically set far back on their body, which makes them ungainly on land but gives them more power when swimming and diving. Body Shape: Ducks have a compact body that is efficient for streamlined swimming and preserving body heat when immersed in water.Some ducks have very colorful bills, including red, orange, yellow, pink, or even blue. Slight serrations or a comb-like structure, called lamellae, on the sides of the bill, can help them strain the water for insects and other food. Most ducks also have a hard nail at the end of the bill to help them root for food. Bill: A duck's bill is typically broad and somewhat flattened to function as a more efficient food scoop or strainer, though there is great variation in bill shape and size among ducks.The color of the legs and feet can vary, but many ducks have brightly colored legs and feet, including yellow, orange, pink, or red. The feet often have durable talons that help the birds grip different surfaces on land as well, including slippery rocks and branches, even if their body structure does not support agile walking.
Feet: Ducks have wide, strongly webbed feet that help them be powerful, efficient swimmers and in many cases, agile divers.The Spruce Home Improvement Review Board.
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