いわとびペンギンMeaningsNoun1. rockhopper penguin (Eudyptes chrysocome) (Usually kana)Other spellings岩いわ飛とびペンギン岩いわ跳とびペンギンUsually written in kanaOther readingsイワトビペンギンKanji in other spellings岩boulder飛fly跳jump up