Incazelo yesichazamazwi yegama elithi "birdhouse" isakhiwo esincane noma umpheme oklanyelwe ukunikeza izinyoni indawo yokuzalela. Ngokuvamile lenziwe ngokhuni futhi lingase libe nendawo yokuvula izinyoni ukuze zingene futhi ziphume, kanye ne-perch noma ezinye izici ukuze ziyenze ikhange kakhulu ezinyonini. Izindlu zezinyoni zivame ukubekwa ezingadini noma kwezinye izindawo ezingaphandle ukuze kuhlinzekwe indawo yokuhlala yezinyoni kanye nokuzikhuthaza ukuthi zizalele endaweni ephephile nevikelekile.