It’s still not known exactly how female birds produce such colourful and intricately-patterned eggs. But we do have some theories about the survival advantage this provides.
Parasitic bird embryos found to exercise in the egg to make them
Why are birds' eggs colourful? New research shows it's linked to
Birds are laying their eggs earlier, and climate change is to blame
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The bryozoan mystery: a new look at an old fossil…
Dinosaur faces and feet may have popped with color
Birds are laying their eggs earlier, and climate change is to blame