内容简介
Penguinscertainlyareadifferentbird!Theyspendseventy–fivepercentoftheirlivesinwaterandtheycan’tevenfly!Penguinsareclassifiedasbirdsbecausetheyhavefeathers.Soexploreapenguin’sworldbyfindingouthowtheycanswimsofast,whattheyeat,andhowpeopleneedtohelpprotecttheirhabitats.Includes:oSmithsonianmissionstatementoGlossaryoIndexoWebsiteandadditionalreadingsourcesoSeriesthumbnailsonbackpan