kaleidomusings: felicefawn: Coloring embryos by injecting dye into eggs before they hatch has been practiced for a number of years. It is done to identify the young of certain hatches or groups. And it makes it easier to observe movements of wild birds
kaleidomusings: felicefawn: Coloring embryos by injecting dye into eggs before they hatch has been practiced for a number of years. It is done to identify the young of certain hatches or groups. And it makes it easier to observe movements of wild birds
