He said that he went with the Prophet to fight at the battle of Khaibar and the Jews came and complained that the people had hastened to take their green dates, 2 so God’s messenger said, ''The property of those who have been given a covenant is not lawful except for the dues which are levied."
2. The reference is to dates which fall from the tree while still green.
Ibn ‘Umar reported God’s messenger as saying, "Two types of animals which have died a natural death and two types of blood have been made allowable to us, the two which die a natural death being the fish and the locust, and the two types of blood being the liver and the spleen."
He said, referring to the day of Khaibar, that God’s messenger declared domestic asses, the flesh of mules, every beast of prey with a fang and every bird with a talon to be unlawful.
Tirmidhi transmitted it, saying this is a gharib tradition.