A large flock of rooks (Corvus frugilegus) and jackdaws (Corvus monedula) enroute to their roost in Vienna. In winter up to 600.000 rooks from Ukraine and Russia migrate to Vienna. For more Info visit the CorVie-Site: http://www.bird.at/Kraehen-in-Wien.corvusvienna.0.html (German only :-/ )

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rsic-BIRDING: CORVIDAE ___ CHANNEL

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