A swift research report
Not sure if everything is correct but an interesting read about life on the wing thenewdaily.com.au/life/2019/06/16/swifts-birds-flight-pattern/ Birding-Aus mailing list Birding-Aus@birding-aus.org To change settings or unsubscribe visit: birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org