For centuries, pink eggs have puzzled collectors and researchers. These exceptional eggs, often found in groups, defy the traditional understanding of avian shell hues. Can they be attributed to a special genetic https://docs.google.com/spreadsheets/d/1qL-aIM5KxaBFeWx9uqNsFK4KthW88k7ORDu_7a02O8s/edit?usp=sharing