Bildstein : Migrating Raptors of the World : Their Ecology and Conservation

Artikel-Nr.: 8064179_0000
33,00
Preis inkl. MwSt., ggf. zzgl. Versand (innerhalb Deutschlands versandkostenfrei ab € 30,00 Warenkorb, Mindestbestellwert € 19,50)


| 2006 | | Ln/SU, F:16x24 cm, 344 S, 14 Farbfotos, 2 farbige Illustrationen, 10 Schwarzweißfotos, 19 Tabellen, 10 Grafiken, 12 Karten. | WG: Buch | Viele Greifvögel der Erde sind Zugvögel über lange Distanzen, teilweise in großen Gruppen, mit Zugwegen über Gewässer und Bergketten. Keith L. Bildstein hat das Zugverhalten von Greifvögeln weltweit erforscht und legt hier seinen Report vor. Neben Zugwegen in Nord- und Mittelamerika, hat er bevorzugte Zugstraßen z. B. in Gibraltar, Eilat u. a. | Many raptors, the hawks, eagles, and falcons of the world, migrate over long distances, often in impressively large numbers. Many avoid crossing wide expanses of water and follow “flyways” to optimize soaring potential. Atmospheric conditions and landscape features, including waterways and mountain ranges, funnel these birds into predictable bottlenecks through which thousands of daytime birds of prey may pass in a short time. Birders and ornithologists also congregate at these locations to observe the river of raptors passing overhead (as did hunters in the United States in the past and in some countries even today). Keith L. Bildstein has studied migrating raptors on four continents and directs the conservation science program at Hawk Mountain Sanctuary, Pennsylvania, the world's first refuge for migratory birds of prey. In this book, he details the stories and successes of twelve of the world's most important raptor-viewing spots, among them Cape May Point, New Jersey; Veracruz, Mexico; Kéköldi, Costa Rica; the Strait of Gibralter, Spain; and Elat, Israel. During peak migration, when the weather is right, the skies at these sites, as at Hawk Mountain, can fill with thousands of birds in a single field of view. | [E] | |

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Diese Kategorie durchsuchen: Vogelflug, Vogelzug, Migration der Vögel, wiss. Vogelberingung