Cheating birds mimic host nestlings to deceive foster parents
02 October 2020探花直播common cuckoo is known for its deceitful nesting聽behaviour聽鈥 by laying eggs in the nests of other bird species, it fools host parents into rearing cuckoo chicks alongside their own.聽While cuckoos mimic their host鈥檚 eggs, new research has revealed that a group of parasitic finch species in Africa have evolved to mimic their host鈥檚 chicks - and with astonishing accuracy.