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Non-breeding distribution of Black Swift

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  • Non-breeding distribution of Black Swift

    http://www.denverpost.com/news/ci_20092428

    Andy Whittaker and myself saw a flock of Cypseloides swifts travelling on the front of huge storm on the 14 December 2007 at Fortuna, on the middle river Jurua in Amazonas state Brazil that we suspected were this species (at the time undocumented in Brazil).....
    Dept. of Zoology, University of Cambridge, UK

    My website - Neotropical Bird Club -Tropical Forest Research - Punkbirder - Wikiaves

    In natural science the principles of truth ought to be confirmed by observation. Carolus Linnaeus
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