When the cuckoo chick hatches, it ejects other eggs or hatchlings to get all the space—and food—for itself. Hungry as a whole brood, the outsize baby devours everything brought by its foster ...

Aired (January 24, 2025): A cuckoo chick tricks other birds into raising it by kicking out their eggs. A brilliant survival strategy in the wild. For more Amazing Earth Highlights, click the link ...

This is largely due to the fact that cuckoo nestlings began specializing in mimicking their host chick’s skin, down, flange ...