内容简介
SmithsonianQ&A:Birdsrevealstheworldofbirdsinallitsbeautyandwonder,explaininghowtheyfly,whytheysing,wheretheylive,andhowtheirrelationshipwithhumanshasevolvedandcontinuedtochange.Itiswrittenforeverypersonwhohaspondered:Whatistheworld'slargestbird?Whendofeathersstarttogrow?How?Includesbirdsfromallovertheworld,aswellasreferencestothelatestresearchfindingsMorethan250full-colorphotographsandillustrationsthroughoutReadyReferencesectionwithat-a-glancedetailsonrecordholdersandmapsofspecies...