The Fatal Eggs the pre-plague level. However, the chicken eggs which are imported from outside the country are, by a mistake, sent to Persikov's laboratory while the reptile eggs destined for the professor end up in the hands of the farmers. As a result, Rokk breeds an enormous quantity of large and overly aggressive snakes, ostriches, and crocodiles which start attacking people. In the panic that follows, Persikov is killed by a mob — which blames him for the appearance of the snakes — and his cameras are smashed. The Red Army attempts to hold the snakes back, but only the coming of
Common cuckoo Common cuckoo The common cuckoo ("Cuculus canorus") is a member of the cuckoo order of birds, "Cuculiformes", which includes the roadrunners, the anis and the coucals. This species is a widespread summer migrant to Europe and Asia, and winters in Africa. It is a brood parasite, which means it lays eggs in the nests of other bird species, particularly of dunnocks, meadow pipits, and reed warblers. Although its eggs are larger than those of its hosts, the eggs in each type of host nest resemble the host's eggs. The adult too is a mimic, in its case of the sparrowhawk;