Signs of Edible and Inedible Eggs

“I once asked one of the two Imam, (abu Ja‘far or abu ‘ Abd Allah), ‘Alayhim al-Salam, about the eggs that I may find in the wilderness. He (the Imam) said, ’Do not eat unless the shape of its both ends is different.’”

“I once asked abu Ja’far (a.s.), about the eggs that I may find in the wilderness. He (the Imam) said, ‘Do not eat whatever has its both ends of the same shape and eat that which has the ends of different shapes.’”

“I once asked abu ‘Abd Allah (a.s.), about the case of a man who enters the wilderness and finds different eggs which he does not know from what kind of birds they are; if it is of birds that are undesirable or of the…

“I once heard abu ‘Abd Allah (a.s.), saying, ‘If both ends of an egg are not of the same shape you then can use it for food.’ He (the Imam) said, ‘If it is of the eggs of the birds of water like the eggs of chicken with…

“I once asked abu ‘Abd Allah (a.s.), about the eggs that I may find in the wilderness and about which ones are edible. He (the Imam) said, ‘Eat whatever is of different shapes at both ends.’”