J. R. Forster, 1781,
E. crestatus is a synonym. Known to have hybridized with E. chrysolophus in Falkland Is, and several hybrids were paired (and apparently rearing young)#R. Usually treated as conspecific with E. moseleyi but recent molecular evidence#R supports split, along with clear morphological, ecological and behavioural differences including narrow vs broad superciliary stripe (2); fewer and shorter ornamental head plumes (3); less bold pattern of black and white on underside of flipper (1); reportedly different song (at least 1); reportedly different ecology relating to water temperature and foraging behaviour (1). Validity of race filholi sometimes questioned, but has distinctive fleshy-pink margins to bill; recent molecular analysis even proposes species status#R#R, but more evidence required. Two subspecies recognized.
Food and feeding
Status and conservation
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