Birds may be the most famous egg-layers, but they’re far from the only ones! Across the animal kingdom, reptiles, amphibians, fish, and even a few rare mammals rely on this ancient method of ...
Female lineages of European cuckoos lay eggs with colorful shells and intricate patterns specialized to deceive more than 100 avian hosts into fostering their chicks. Parasitic cuckoo eggshells show ...
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