珠鸡（Numididae）(guineafowl)，又称珍珠鸡、山鸡、畿内亚鸟，是鸡形目下的其中一科，原产自非洲。

羽毛很特别，非比一般寻常，声音很吵杂。

Guineafowl (/ˈɡɪnifaʊl/; sometimes called "original fowl" or guineahen) are birds of the family Numididae in the order Galliformes. They are endemic to the continent of Africa and rank among the oldest of the gallinaceous birds. They are phylogenetically intermediate between peafowl and the Odontophoridae. One Eocene fossil lineage, Telecrex, is represented by the black guineafowl, which is an extant species native to the primary forests of Central Africa. Telecrex that inhabited Mongolia may have given rise to the oldest of the true Tetraophasianids like Ithaginis and Crossoptilon which evolved into high-altitude montane adapted species with the rise of the *****an Plateau. While modern guineafowl species are endemic to Africa, the helmeted guineafowl has been introduced widely elsewhere.