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Do birds have eyelids?

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Many birds also have hair-like feather ,that look just like eyelashes. Unlike humans, however, they have an extra or third eyelid called the 'nictitating membrane', which helps keep the eyes clean by removing dust and other things that get into their eyes. read more

Birds do have upper and lower eyelids that can close up to protect their eyes and prevent them from drying out. Many birds also have hair-like feather ,that look just like eyelashes. read more

Birds have the largest eyes relative to their size in the animal kingdom, and movement is consequently limited within the eye's bony socket. In addition to the two eyelids usually found in vertebrates, it is protected by a third transparent movable membrane. read more

Birds have three eyelids - an upper and lower lid, like we humans have, and a third called the nictitating membrane, which moves horizontally across their eye, and serves the function of lubricating and cleaning the eyeball. read more

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