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The variety of avian karyotypes observed in the seven avian species compared to chicken: (A) chicken (Gallus gallus), (B) mallard duck (Anas platyrhynchos), (C) Eurasian woodcock (Scolopax rusticola), (D) rock dove/pigeon (Columba livia), (E) helmeted guinea fowl (Numida meleagris), (F) houbara bustard (Chlamydotis undulata), (G) common blackbird (Turdus merula), (H) Atlantic canary (Serinus canaria). Scale bar 5 μm.
