All social calls do not have a goal to attract other individuals, type A and D are certainly used to repel individuals. The catch rate with acoustic decoy may be increased but this can constituter the result of aggression on the acoustic decoy seen as a competitor. The acoustic decoy could play a role repellent and disrupt local populations.
picha ya anarudi katika ndege, wito wa jamii ya popo inaweza kuwa kumbukumbu na reissued na decoy acoustic . tahadhari juu ya masomo haya kwa sababu athari juu ya popo ni hazijulikani lakini uwezekano muhimu . Wote wito wa jamii hawana lengo ili kuvutia watu wengine, A aina na D ni hakika kutumika kurudisha watu binafsi . kiwango cha samaki na decoy acoustic inaweza kuwa na kuongezeka lakini hii inaweza constituter matokeo ya uchokozi ya decoy acoustic kuonekana kama mshindani . decoy acoustic anaweza kucheza nafasi ya mbu na kuvuruga wakazi .