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This Concept Map, created with IHMC CmapTools, has information related to: Davies 2011 Brood Parasites 111218, egg rejection in which if a cuckoo is seen at the nest they will desert it or reject eggs, Egg laying date which closely matches host egg laying dates (in order to avoid detection), the host species' behavior to counter this includes increased surveillance, the fermale cuckoo will lay an egg in the nest of a host species thereby Removing the need to rear her own young, egg form including egg crypsis: cuckoo lays darker eggs, in which hosts might find more difficult to detect the cuckoo eggs, Cuckoo's are "Obligate Brood Parasites" Evolutionarily will be "selected against" by the host species behavior, Adult female Cuckoo behavioral stratgies including Female cuckoo scouts out a host nest, waits for the host to leave, and lays her own egg when there is already an egg., Cuckoo's are "Obligate Brood Parasites" involves Nestling Cuckoo behavioral strategies, Cuckoo's are "Obligate Brood Parasites" in which the fermale cuckoo will lay an egg in the nest of a host species, nest placement and architecture in which hosts make nests farther away from cuckoo vantage points and create nests with narrow openings so the female cuckoo can't enter, Cuckoo's are "Obligate Brood Parasites" Evolutionarily is a "brilliant" strategy for the brood parasite, egg form including egg mimicry: in which cuckoo eggs are patterned similarly to host eggs, Female cuckoo scouts out a host nest, waits for the host to leave, and lays her own egg when there is already an egg. which is countered by the host species' behavior to counter this, the host species' behavior to counter this includes secretive behavior, coevolution of mimicry and egg rejection behaviors with mimicry occuring when host species has a high frequency of rejection behavior, Egg shell thickness in which a higher egg rejection will lead to the cuckoo to have a thicker egg shell, will be "selected against" by the host species behavior leading to "Counter-adaptations" by host species, relatively rare because it is difficult for brood parasites to....., Nestling Cuckoo behavioral strategies including nestling cuckoo show more plumage variation when added successfully into host's nest, egg form including Egg shell thickness