Editing Steller's eider (section)

=== Vocalization ===
Males make a low jumbled growling sound, while females make a discrete qua-haaa sound of a similar tone.<ref name=":0" /> Males have also been reported to produce a repetitive crackling sound when females go underwater.<ref>{{Citation|title=XC203462 Steller's Eider (Polysticta stelleri)|url=https://www.xeno-canto.org/203462|access-date=2021-11-10}}</ref> Notably, the males [[Courtship display|court]] the females in silence.<ref name=":0" /> During flight, their feathers produce a mechanical whistling sound.<ref name=":0" />