duckling breeds

Can someone please help us identify these 6 ducklings from Tractor Supply. The workers told us they came in a bin that just said “assorted” and they didn’t know what they were. Any help? Sharing pics of 3 that look alike… another 2 that look the same and 1 that looks darker

Hello, So I have an adult male Pekin and an adult male Rouen Hybrid (I think). They started getting aggressive with my chickens and are protective over me. I recently purchased 4 blue Swedish female ducklings from Metzer Farms. When I brought the chirping box home from the post office, it...