Assertion: humboldt penguin | /r/HasProperty | mistaken for magellanic penguins
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Adult Humboldt penguins are sometimes mistaken for Magellanic penguins (S. magellanicus), whose plumage patterns are similar; however, Magellanic penguins possess smaller regions of pink flesh on the face.