Bird of prey and may be raised to an order of their own, Cathartiiformes. The secretary bird and/or osprey are sometimes listed as subfamilies of Acciptridae: Sagittariinae and Pandioninae, respectively. Australia's letter-winged kite is a member of the family Accipitridae, although it is a nocturnal bird. The nocturnal birds of prey – the owls – are classified separately as members of two extant families of the order Strigiformes: Below is a simplified phylogeny of Telluraves which is the clade where the birds of prey belong to along with passerines and several near-passerine lineages. The orders in bold text are birds of prey orders;
A History of British Birds as closely as I could", but admits that he had "in several cases" to rely on the stuffed "preserved skins" of his neighbour Richard Routledge Wingate. The grouping of species gave Bewick difficulty, as the scientific sources of the time did not agree on how to arrange the species in families, or on a sequence or grouping of those families. Bewick for example uses family groups like "Of the Falcon", in which he includes buzzards and sparrowhawks as well as what are now called falcons. The families of land birds are further grouped into birds of prey, omnivorous birds, insectivorous