Isingeniso: Ikesi elinelukuluku lamaqanda e-cuckoo

Uma uke wezwa ukukhala kwenyoni ye-cuckoo, ungase ujwayele umsindo wayo oyingqayizivele nozwakalayo. Kodwa bewazi ukuthi ama-cuckoos anesu lokuzala elithakazelisayo? Esikhundleni sokuzakhela izidleke futhi zizalele amaqanda azo, zibekela amaqanda azo ezidlekeni zezinye izinhlobo zezinyoni. Kodwa okumangaza nakakhulu ukuthi ama- cuckoo anendlela yokususa amaqanda enyoni ewusuku. Bakwenza kanjani? Ake sithole!

Imfihlakalo yokwaliwa kwamaqanda: Ukuziphatha kwemvelo

Ukwenqatshwa kwamaqanda kuwukuziphatha okungokwemvelo kwezinhlobo eziningi zezinyoni, kodwa ama-cuckoos akuyisa ezingeni elisha. I-cuckoo yensikazi ibheka ngokucophelela isidleke senyoni ewukhayayo futhi ilinde isikhathi esifanele sokuzalela iqanda layo. Uma isiqedile, isuka ngokushesha endaweni yesehlakalo futhi ishiye inyoni ewumsingathi izofukamela iqanda. Kodwa ngaphambi kokuthi itshwele le-cuckoo lichanyuselwe, lidinga ukuqiniseka ukuthi yilo lodwa esidlekeni. Kulapho-ke ukuziphatha kokwaliwa kwamaqanda kungena khona.

Ukuqonda isu le-cuckoo lokubeka amaqanda

Ama-Cuckoos anekhono elimangalisayo lokuqaphela amaqanda awo. Basebenzisa inqubo ebizwa ngokuthi i-mimicry ukuze bazalele amaqanda acishe afane nalawo enyoni. Lokhu kwenza kube lula ukuthi iqanda le-cuckoo lihlangane futhi ligweme ukutholwa. Uma iqanda le-cuckoo selingaphakathi esidlekeni, inyoni ehlala kuyo ngokuvamile izolifukamela eceleni kwamaqanda ayo. Kodwa itshwele le-cuckoo lizochanyuselwa kusenesikhathi futhi lifune ukudla okwengeziwe, okufaka inzalo yalenyoni engozini. Kungakho inyoni ebambayo ivame ukususa amaqanda esidlekeni, kusale itshwele le-cuckoo kuphela elizophakelwa.