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;
Angry Birds Friends or to acquire additional bird slingers. In addition, the mobile version includes four power-up practice levels where there are infinite power-ups available for use. In February 2012, the episode "Surf and Turf" was added to the Angry Birds Friends Facebook version and it was also added to the original "Angry Birds". In July 2012, the episode "Pigini Beach" was added to the Angry Birds Friends Facebook version. In August 2012, Rovio announced a partnership with the punk band Green Day, which led to 20 new levels of Angry Birds Friends on Facebook featuring all three members of the band. The