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On some owls (Aves: Strigidae) in the high parts of Pirin (SW Bulgaria) and their parasitic flies (Diptera: Hippoboscidae)

Petar Beron

31 December 2002 · volume 15 · pp. 147–149 · PDF [full text]

Abstract: In the Pirin Mts. (SW Bulgaria) very high localities of owls were recorded. The Tengmalm’s owl (Aegolius funereus, new for Pirin) was netted at 2340 m, the Long-eared owl (Asio otus) — at 2760 m. Six parasitic flies (Ornithomyia avicularia L. — Diptera: Hippoboscidae) were collected on Aegolius funereus.