When the eggs that cuckoos lay in the nests of other birds hatch, the cuckoo chick proceeds to push the eggs of its foster parents out of the nest.
(the eggs; lay; in the nests of other birds hatch) (the cuckoo chick proceeds; to push; the eggs of its foster parents; out of the nest)
the eggs the cuckoo chick proceeds
lay to push
in the nests of other birds hatch
the eggs of its foster parents out of the nest