From his father that the Messenger of Allah ﷺ said: "The souls of the martyrs are in green birds, suspended from the fruit of Paradise, or the trees of Paradise."

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِنَّ أَرْوَاحَ الشُّهَدَاءِ فِي طَيْرٍ خُضْرٍ تَعْلُقُ مِنْ ثَمَرَةِ الْجَنَّةِ أَوْ شَجَرِ الْجَنَّةِ