What types of birds are permissible to consume?

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All birds are permissible for consumption unless explicitly mentioned among the prohibited ones. This explicitly includes chicken (Dajaj). The permissibility of the Bustard (Hubara) is established by the report that the Prophet (peace be upon him) ate it, as narrated by Sufyan, reported by Abu Dawud. The Kestrel (Zagh) is also permissible, an opinion held by Al-Hakam, Hammad, Muhammad ibn al-Hasan, and one narration from Al-Shafi'i. The Field Crow (Ghurab al-Zar'), which is the large black bird that eats grain and flies with the Kestrel, is permissible because their primary diet is grain and seeds, thus resembling the Partridge (Hajal). All small birds (Asafir) are permissible, supported by the ruling that if killed lawfully for consumption, the act is permitted, though killing them without right is severely condemned. The Hadith states that if killed rightfully, one should slaughter them and eat them, rather than severing their heads and discarding them (reported by Al-Nasa'i). All varieties of Pigeons (Hamam) are permissible, including Jaza'il, Fawakht, Raqati, Qata, Hajal, and others. The Crane (Karakiy), Geese (Iwazz), all water birds, Herons (Ghiraniq), Peacocks (Tawawis), and similar birds are permissible, and no known scholarly disagreement exists regarding these.