<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: I-American goldfinch engakhuli kahle inomhlane onsundu, futhi ingaphansi liphuzi ngokukhanyayo. Amahlombe nomsila kumnyama ngokumnyama, kunemidwebo emhlophe emaphikweni nasezinsikeni. Lolu mbala luyafana kuzo zombili izinhlobo. Ingoma ye-American goldfinch iwuhlelo lwezingoma eziqhumayo nezishaya umnkantsha, ngokuvamile ezinomculo omude. Umemeza othi tsee-tsi-tsi-tsit uvame ukukhala lapho indiza; ungase uchazwe nangokuthi per-chic-o-ree. Lapho izala amaqanda, insikazi ibiza umngane wayo obuyayo ngomsindo omnene oqhubekayo we-teeteeteeteete. Izingane ziqala ukukhala ngokuthi chick-kee noma chick-wee ngaphambi nje kokuba zindize, okuyinto eziyenza kuze kube yilapho seziwushiye ngokuphelele umhlambi. Kunezimemezelo ezimbili zokuzivikela ezenziwa abantu abadala lapho benza isidleke; isimemezelo esimnandi esenziwa ukuze kuqoqwe amanye ama-goldfinch esidlekeni futhi kuphazamiseke izilwane ezidla ezinye, kanye ne-bearbee esetshenziselwa ukubonisa ama-nestlings ukuthi athule futhi awenze aguqe phansi esidlekeni ukuze angabonakali kangako. Umbuzo: Yimuphi umbala onophawu oluphezu kwamaphiko?  <response>: oluhlaza okotshani 