Update: Turns out they can! We hatched 5 ducklings. One got attacked by a bobcat we think. The first picture is of one of the ducklings, Blooper. It's named that because it was born 5 days late from the rest. The second picture is of the very angry mama. And the last is the proud father.
There is this duck breed in this fake or satire article from 1910 that tells of a duck that eats yeast, quacks, and then explodes; which is called the Keokuk duck. It was said to be bred by Frank Rue, and is described as having a red diamond on its brow, a single blue wing, and a brown tail...
I have a male call duck who is trying to mate with my female runner duck who has gone broody. None of the eggs she has produced and sat on have been fertile. I think it is due to the size difference. The runner duck is too long for the call duck to grab her neck and also do the deed. Is there...