Answer:
It is a path of cow juice spread across the sky but cannot be seen by the naked eye
Feed me and I live, give me drink and I die.
Long legs, crooked thighs, little head, and no eyes.
You can read it both ways, I wearΝΎ One way it's a number, reversed a snare.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I have two eyes in the front and a lot of eyes on my tail