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Das Buch „Migration of birds“, das zum ersten Mal 1935 erschienen ist, wird auf dieser Webseite in der überarbeiteten Version von 1998 als Online-Buch zugänglich gemacht. Thema ist der Vogelzug mit Schwerpunkt Nordamerika, u.a. werden auch Informationen zu Kurzstreckenziehern, Langstreckenziehern, ... [Redaktion vifabio]
www.npwrc.usgs.gov/resource/birds/migratio/index.htm
The Smithsonian Migratory Bird Center is dedicated to fostering greater understanding, appreciation, and protection of the grand phenomenon of bird migration. [Information of the supplier]
nationalzoo.si.edu/scbi/migratorybirds/
BIRDNET provides information about ornithology, the scientific study of birds. The site is a service of the Ornithological Council, a public information organization established and supported by eleven North American professional ornithological societies. [Information of the supplier]
www.nmnh.si.edu/BIRDNET/
In two centuries of American ornithology, The Birds of North America (BNA) is only the fourth comprehensive reference covering the life histories of North American birds. This series provides detailed scientific for each of the 716 species of birds nesting in the USA and Canada. The print version of BNA ... [Information of the supplier, modified]
bna.birds.cornell.edu/BNA/
VIREO (Visual Resources for Ornithology) is the world-wide bird photograph collection of The Academy of Natural Sciences. With more than 130,000 photographs representing over 6,650 species VIREO is the world's most comprehensive collection of ornithological images. (...) There are currently more than ... [Information of the supplier]
vireo.acnatsci.org/index.html
Das Birdnet-Magazin bietet aktuelle Informationen aus der Vogelwelt. Hier finden Vogelbeobachter alles, was sie interessiert: neueste Nachrichten aus Wissenschaft und Forschung - kurz und auf den Punkt gebracht; Meldungen zum wichtigen Bereich des Vogelschutzes mit dem Schwerpunkt Mitteleuropa; ... [Information des Anbieters]
www.birdnet-cms.de/cms/front_content.php
The Cornell Laboratory of Ornithology is a nonprofit membership institution whose mission is to interpret and conserve the earth's biological diversity through research, education, and citizen science focused on birds. Our programs work with citizen scientists, government and nongovernment agencies ... [Information of the supplier]
birds.cornell.edu/
New Zealand birds and birding offers extensive information about New Zealand's birds, endemic, native, introduced and extinct. The birds section features a gallery with extensive information about each New Zealand bird using the beautiful prints of the 18th and 19th centuries to illustrate each bird's ... [Information of the supplier]
nzbirds.com
Avibase is an extensive database information system about all birds of the world, containing over 1.4 million records about 10,000 species and 22,000 subspecies of birds, including distribution information, taxonomy, synonyms in several languages and more. This site is managed by Denis Lepage and hosted ... [Information of the supplier]
avibase.bsc-eoc.org/avibase.jsp
10. eBird
eBird provides a simple way for you to keep track of the birds you see anywhere in North America. You can retrieve information on your bird observations, from your backyard to your neighborhood to your favorite bird-watching locations, at any time for your personal use. You can also access the entire ... [Information of the supplier, modified]
www.ebird.org/
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