b'Sears List of Subject HeadingsBirdsEggs Birds nestsDewey: 598.14 Use: BirdsNestsUse For: Bird eggs; BirdsEggs and nests; BirdsongsBirds eggsBroader Term(s): Eggs Dewey: 598.159Use For: Bird song; BirdsSongBirdsEggs and nests Broader Term(s): Animal soundsUse: BirdsEggs BirthBirdsNestsUse: ChildbirthBirdsFlightDewey: 591.5; 598.15 Birth attendantsBroader Term(s): Animal flight Use: MidwivesBirdsHabits and behavior Birth controlUse: BirdsBehavior Geographic Note: May subdivide geographicallyDewey: 353.5; 363.9; 613.9BirdsIdentification Use For: ConceptionPrevention;Dewey: 598 Contraception; Family planning;Broader Term(s): Identification Fertility control; PlannedBirdsMarking parenthoodBroader Term(s): PopulationUse: Birdbanding Sexual hygieneBirdsMigration Narrower Term(s):Sterilization (Birth control)Geographic Note: May subdivide geographically Related Term(s): Birth rateDewey: 598.156 ChildlessnessUse For: Migration of birds Family sizeHuman fertilityBirdsNests InfertilityDewey: 598.156 Birth controlEthical aspectsUse For: BirdsEggs and nests; Birdsnests Dewey: 176Use For: Birth controlMoral and religiousBirdsPhotography aspectsUse: Photography of birds Broader Term(s): EthicsBirdsProtection Birth controlMoral and religious aspectsGeographic Note: May subdivide geographically Use: Birth controlEthical aspectsDewey: 333.95; 639.9 Birth controlReligious aspectsUse For: Protection of birds Birth controlReligious aspectsBroader Term(s): Wildlife conservationRelated Term(s): Game protection Dewey: 205; 248.4Use For: Birth controlMoral and religiousBirdsSong aspectsUse: Birdsongs Birth customsBirdsUnited States Use: ChildbirthDewey: 598.0973 Birth defectsBirds of prey Geographic Note: May subdivide geographicallyGeographic Note: May subdivide geographically Dewey: 616Dewey: 598.9 Use For: Abnormalities, Human; BirthSee Also: names of specific birds of prey [to injuries; Deformities; Humanbe added as needed] abnormalities; InfantsBirthBroader Term(s): Birds defects; Malformations, CongenitalPredatory animals Broader Term(s): Medical geneticsNarrower Term(s):Eagles PathologyNarrower Term(s):Human chromosomeBirds eggs abnormalitiesUse: BirdsEggs Related Term(s): Fetal alcohol syndrome110'