Noog spikes muaj txiaj ntsig zoo ntawm kev tiv thaiv ntau hom noog, feem ntau yog cov uas nrhiav cov chaw tiaj tus rau perching, roosting, los yog zes. Qee cov noog uas tuaj yeem nres los ntawm cov noog muaj xws li Pigeons, Sparrows, Starlings, Swallows, Crows, Woodpeckers thiab lwm yam.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias thaum noog spikes muaj txiaj ntsig zoo ntawm kev tiv thaiv ntau hom noog, qhov ua tau zoo tuaj yeem sib txawv nyob ntawm seb tus noog tus cwj pwm thiab kev teeb tsa ntawm cov spikes.Thaum xav txog kev tswj xyuas noog, nws yog ib qho tseem ceeb los txheeb xyuas hom noog hom thiab lawv tus cwj pwm. cov qauv los txiav txim qhov kev daws teeb meem zoo tshaj plaws.
