Lesser Whistling duck : are usually gregarious. They feed mainly on plants taken from the water as well as grains from cultivated rice apart from small fish, frogs and invertebrates such as molluscs and worms. They dabble as well as dive in water. They fly slowly but with rapid wing-flapping and usually produce a repetitive wheezy seasick call as they circle overhead. The outermost primary feather has the inner vane modified. They produce very prominent whistling sound while flying Fact or Fiction ? Ducks can see UV light. ... Ducks prefer to live in large groups. ... Ducks have best friends. ... Ducks can sleep with one eye open. ... Ducks prefer the colors green and blue.
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