my answer is one.what is yours.......?
2007-02-23 20:12:29 · 4 answers · asked by Anonymous in Pets ➔ Birds
Corvids (species crows are related to...ravens, crows, bluebirds, robins are all corvids) have 2 eyelids.
They have minute, small hairs on them which we'd call eyelashes, and they are not as easily visible as human eyelids or eyelashes.
:)
2007-02-23 20:58:21 · answer #1 · answered by Anonymous · 1⤊ 0⤋
They have 2. They have a standard outer eyelid, but they also have a opaque inner lid called the Nictotating Membrane, this membrane is used to clear away any debris from the surface of the eye as well as protect it from injury.
2007-02-24 10:08:45 · answer #2 · answered by JenE 4 · 0⤊ 0⤋
Just like everyone has said, they do have 2 sets, the outer eyelid that closes like our do, and inner eyelids called NICTITATING membranes that actually go from one side to the other, it starts on the inner side of the eye near the beak and goes over the eye toward the outside edge of the eye.
2007-02-24 19:53:03 · answer #3 · answered by haley 2 · 0⤊ 0⤋
2 on each eye. They have a normal eye lid and then an inner eye
lid called the nicotating membrane.
2007-02-24 04:25:44 · answer #4 · answered by PJJ 5 · 0⤊ 0⤋