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TL;DR — What Is Bird DNA Sexing, Exactly? Bird DNA sexing is a laboratory technique that determines a bird’s biological sex by analyzing its genetic material. It targets the CHD gene on the bird’s sex chromosomes (the ZW system) and provides over 99.9% accuracy for any bird species at any age, making it the global … Read more

TL;DR — Can You Really Tell a Bird’s Gender by Looking at It? For most bird species, visual identification alone is unreliable. While some birds (like peacocks and mallards) show obvious sexual dimorphism, over 80% of bird species are monomorphic — meaning males and females look nearly identical. The most reliable method is DNA sexing, … Read more