Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Animals

How many eyelids does a duck have?

1 Answer

"Birds have two eyelids, upper and lower. Birds active during daytime hours raise the lower lid when closing their eye, and nocturnal birds close the upper lid. But birds also have a translucent nictitating membrane, sometimes called a “third eyelid”. From the center for conservation biology

{{ relativeTimeResolver(1670528074888) }}

LIVE
Points points 4
Rating

Similar Questions
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE