In other species: chicken , red-footed booby , Coscoroba swan , Bananaquit , helmeted guineafowl , gyrfalcon , Lesser snow goose , , , brown booby , zebra finch

Possibly relevant human trait(s) and/or gene(s) (MIM number): 266300

Mendelian trait/disorder: yes

Mode of inheritance: Autosomal

Considered a defect: no

Key variant known: no

Molecular basis: Pointer and Mundy (2008) reported polymorphisms in the MC1R gene but could not discern a clear association between these polymorphisms and feather colour in swans,