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Keith A Sutherland@comradekas.substack.com

Another potential Manky Mallard? A domestic-wild hybrid? 📸 K Sutherland, Shippensburg PA Healthy, flight-capable, 50%+ larger than nearby pure mallards. Background bird (likely Swedish Black) ~80% size of a domestic duck. F2/F3 hybrid? Genetics seem wild ID help? #birds #genetics #ornithology