What Am I Riddles

Question: I can be sun,
I can be sand,
and I can be bird.

What am i?

Question: I have no eyes, ears, tongue, or nose.
Yet I see, hear, taste, and smell everything.

What am I?

Question: I plow and plow, but never sow.

What am I?

Question: Only one color, but not one size, Stuck at the bottom, yet easily flies, Present in sun, but not in rain, Doing no harm, and feeling no pain. What am I?

Question: It dances and skips,
it's read in the eyes but it cheats with the hips,
If it meets its match it's easily caught,
but it's worth nothing if it is bought.
What is it?