Male and Female look alike (Monomorphic)
Vent sexing is an accurate way of determining the sex
Grass Whistling Duck
Dendrocygna eytoni
Also known as :- Grass Whistler, Plumed Whistling Duck, Eyton's Whistling Duck
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Male and Female look alike (Monomorphic) Vent sexing is an accurate way of determining the sex |
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