migratory flight strategies of levant sparrowhawks: time or energy minimization? | diurnal and nocturnal flight paths of 364 levant sparrowhawks, accipiter brevipes, were recorded by radar and used to analyse migratory strategies. soaring-gliding was the predominant flight strategy during the day when thermals were available. also during the day, and at night, flapping-gliding flight was used. levant sparrowhawks flew at similar altitudes as other migrating raptors in israel during the day; however, they showed different diurnal patterns, using flapping flight at high altitude ... | 1998 | 9819335 |
the bird species of kumasir lake (kahramanmaras-turkey) and a view of environmental ethics on sustainable wetland management. | kumasir lake is located next to towns of donuklu and fatih, nine km west of kahramanmaras city center the region of east mediterranean, turkey this lake is of crucial importance from the point of native and immigrant birds. we located 17 birdspecies in this area during our observations carried out in the spring and autumn of 2005-2006. these were ciconia ciconia l., anas platyrhynchos l., accipiter nisus l., accipiter brevipes l., fulica atra l., columba palumbus l., merops apiaster l., upupa ep ... | 2008 | 18972701 |
plasmodium spp. in raptors on the eurasian-african migration route. | examination of blood smears obtained from raptors trapped while on migration at eilat, israel, demonstrated plasmodium infection in accipiter brevipes and buteo buteo. the following species are described, from a. brevipes: plasmodium alloelongatum n. sp., p. accipiteris n. sp. and from b. buteo: p. buteonis n. sp. and plasmodium sp. for which we lack sufficient data for adequate species description. overall prevalence of infection with plasmodium spp. was very low: among 38 examined a. brevipes ... | 2007 | 18225420 |