In other species: chicken , ducks , domestic goose , turkey , Indian peafowl , Eurasian bullfinch , Ring-necked pheasant , rock pigeon , Japanese quail , guineafowls , South polar skua , superb starling , carrion crow , hooded crow , emperor penguin , red-fronted tinkerbird , yellow-fronted tinkerbird , white wagtail , Mallard

Mendelian trait/disorder: unknown

Considered a defect: no

Species-specific description: Ren et al. (2021) "identified 26 genes (17 detected by both the FST and Hp approaches, five by either FST or Hp and four previously reported color-related genes) from ... genomic Pool-Seq data that might be responsible for the change in feather color that occurred during the domestication of geese (Anser cygnoides)."