http://www.theguardian.com/science/grrlscientist/2014/may/31/swallows-open-doors-uvictoria-canada-video _______________________________________________ Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: http://birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org
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