They will peck and eat them.
Fresh pink eyes are not the same as dried black eyes. Hoppin John won't be the same.
If you cook them simple and plain the juice "Pot Liquer" is devine to drink like soup broth.
You can only snap the very youngest and smallest. you have to shell purple hulls.
"look them" - take a a small hand full and roll them over 'looking' for bug bites or bad spots.
Wash them, look them, set them to slow boil with a piece of bacon. serve them with fresh tomatoes, corn on the cob and corn bread with butter! Good eating!