“…This species was widely reported from all around the world, especially Turkistan, Russia, Bulgaria, Spain, Algeria, USA and India in some raptor birds (Accipiter, Aegiolus, Aquila, Asio, Bubo, Buteo, Circus, Cerchenis, Falco, Gyps, Otus, and Strix) (1,9). Despite its cosmopolite distribution, information about this nematode morphological feature is restricted.…”