Science Reviews 2000,
From Avian Biology Research: Sex determination of duck embryos: observations on syrinx development https://stl.publisher.ingentac…
From Avian Biology Research: Sex determination of duck embryos: observations on syrinx development https://stl.publisher.ingentac…
Okay, so if they can sex ducks while still embryos by syrinx development, could we not sex finches after hatching the same way???