| Titre : | Migratory flyways of raptors and owls in Kazakhstan according to ringing data. |
| Auteurs : | Sergey Sklyarenko, Auteur ; Eduard Gavrilov, Auteur ; Andrey Gavrilov, Auteur |
| Type de document : | Article |
| Dans : | Vogelwarte (41(4) Dezember 2002) |
| Article en page(s) : | 263-268 |
| Langues: | Allemand |
| Résumé : | Between 1939 and 1999, the Institute of Zoology in Kazakhstan received information on 165 recoveries of 21 species of raptors and 2 species of owls. Of these, 71 were both ringed and recovered in Kazakhstan, while the remaining 94 were either ringed or recovered in one of 22 other countries. Recoveries of Common Buzzard, Lesser Kestrel and Pallid Harrier from southern Africa and Europe (South Africa, Zaire, Tunisia, France) suggest that they are the most long-range migrants. Red-footed Falcon, Kestrel and Long-legged Buzzard recoveries are from the Middle East (Syria, Lebanon, Turkey, Greece). Finally, all Black Kite, Hen Harrier, Goshawk, Sparrowhawk, Steppe Eagle, Upland Buzzard, Saker, Merlin and Long-eared Owl recoveries are from the Caucasus, Central Asia, and Pakistan. The northern populations of many raptors migrate via Kazakhstan and, accordingly, there are also recoveries of Black Kite, Goshawk, Sparrowhawk, Hen Harrier, Montagu's Harrier, Pallid Harrier, Merlin, Kestrel and Long-eared Owl from Siberia. Only two recoveries (Saker Falcon and Pallid Harrier) are recorded from Asia south or east of Kazakhstan. These data suggest that the general direction of migrations through Kazakhstan is north and east in spring, and south and west, in autumn. Black Kite, Pallid Harrier, Sparrowhawk, and Long-legged Buzzard, Saker, Kestrel, and Long-eared Owl from Northwest Kazakhstan migrate east of the Caspian Sea, and birds from other regions fly through south-east Kazakhstan and Middle Asia. The relationship between migration distance and probability of presence of species in Kazakhstan in winter is discussed. |
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