byDanielleMelaneebyDanielleMelaneeCover,©APPhoto/LasVegasSun,AaronMayes;p.3,©MichaelNewman/PhotoEdit;p.4,©APPhoto/AndrewLaker;p.5,©MatthewJohnston/Alamy;p.6–7,©Eastcott-Momatiuk/AnimalsAnimals;p.8,©TheArtArchive/MuseoPrenestinoPalestrina/DagliOrti;p.9,©ThomasHoepker/MagnumPhotos;p.10,©APPhoto/BaeverCountyTimes,PeterSabella;p.11,©TheArtArchive/ImperialWarMuseum;p.12,©Boyer/Roger-Viollet/TheImageWorks;p.13,©U.S.Army;p.14,©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.PrintedintheUnitedStatesofAmericaISBN10:0-15-350456-0ISBN13:978-0-15-350456-3OrderingOptionsISBN10:0-15-350333-5(Grade3Below-LevelCollection)ISBN13:978-0-15-350333-7(Grade3Below-LevelCollection)ISBN10:0-15-357468-2(packageof5)ISBN13:978-0-15-357468-9(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891017912111009080706PestsorHeroes?Haveyouseenpigeonsbefore?Lookonfences.Lookatrooftops.Tossbreadcrumbsontheground.Pigeonswillcomeandeat.Somepeoplethinkpigeonsarepests.Othersdisagree.Theythinkpigeonsareheroes.Pigeonsarepartofhistory.Theyhavesavedlives.Let’sfindoutmore.3FindingHomePigeonsarefast.Theycanflyfiftymiles(80km)anhour.Theycanturnanddivequickly.Therearesomepigeonsthathaveanotherskill.Theyarecalled“homing”pig...
