Host defences against cuckoo parasitism and cuckoo trickeries to overcome them are a classic example of antagonistic coevolution. Recently it has been reported that this relationship may turn to be mutualistic in the case of the carrion crow (Corvus corone) and its brood parasite. the great spotted cuckoo (Clamator glandarius). given that experimentally and naturally parasitized nests... https://jalyttlers.shop/product-category/iron/