Photos of a what I believe to be a female hybrid Red-crested Pochard / Kolbenente (Netta rufina) x Tufted Duck / Reiherente (Aythya fuligula). The bird was associated with a spring flock of Red-crested Pochards in Apetlon, Austria on 5th April 2023.
Putative hybrid Red-crested Pochard x Tufted Duck