It’s great that it’s been successful for you! I’m curious to see if you can for the next 17. I’ve never seen a noticeable difference personally, so I stick to voice-sexing.
The biggest thing to look for is veining. Veins will disappear after an embryo dies.
Towards the end, it may be too dark to see veining anymore, in which I’ll look to see how full the egg is. Dark, full, hard to see = good!! And see if there’s any movement in or near the air cell (shadowing...
The bill color, feet color, and bib shape are all giveaways that it’s not a real Black Swede. The Swede-like appearance is actually really common in mixed ducks, though :p
I also agree with SilverBirds. That IS a drake feather. Not all drake feathers do the full curl, some just a half curl. And I too only hear drake sounds in the video. If they’re both making the same sounds, they’re both drakes.
I’d say she’s female.
Violeta was so vicious, she almost knocked all the eggs to the floor! :eek: So cute that she is sharing with Buffzilla. And Brød is stomping around like she owns the place. Gosh, you will be overrun with ducklings soon enough!! ❤️
Edit: I also have a sweet, broody bird, but she will not be...