Unlike the common cuckoo, neither the hen nor the hatched chick of Clamator species evict the host's eggs, but the host's young often die because they cannot compete successfully with the cuckoo for food.
In contrast to the usual cuckoo, the hen and hatchling of Clamator species do not eject the host's eggs, but the host's offspring often die because they cannot outcompete the cuckoo for resources.