byLindaCernakbyLindaCernakCover,©JamesWarwick/TheImageBank/GettyImages;p.3(tr),©ScottT.Smith/CORBIS,(tl)(bl)©Corel,(br)©PhotoDisc;p.4,©FritzPolking;FrankLanePictureAgency/CORBIS;p.5,©DennisFlaherty/Photographer’sChoice/GettyImages;p.6,©JanToveJohansson/Taxi/GettyImages;p.7,©WIMKLOMP/FOTONATURA/MindenPictures;p.8,p.11,p.14,©Corel;p.9,©KennanWard/CORBIS;p.10,©PhotoDisc;p.12,©NigelJ.Dennis/PhotoResearchers,Inc.;p.13,©FransLemmens/zefa/Corbis.Copyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinChinaISBN10:0-15-351512-0ISBN13:978-0-15-351512-5OrderingOptionsISBN10:0-15-351213-X(Grade3AdvancedCollection)ISBN13:978-0-15-351213-1(Grade3AdvancedCollection)ISBN10:0-15-358102-6(packageof5)ISBN13:978-0-15-358102-1(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891098512111009080706Birdscomeinalargevarietyofsizesandshapes,andsodotheirnests.Youmightthinkthatallbirdnestsarethesame,butthey’renot.Birdnestsareasdifferentasthebirdsthatbuildthem.Nestscanbeverytiny,ornestscanbeextremelylarge.Nestsarebuiltinmanydifferentplaces,too.Youmightfindanestinasmallbush,atalltree,orevenonthetopofamountain.Birdslaydifferentnumbersofeggsinanest,too.Somenestswillholdtentofifteeneggsatonetime!3Birdsknowexactl...
