{{sfn | Grüneberg | Mitschke | Eickhorst | Fischer | 2015 | p=}}

* {{cite book | last=Grüneberg | first=Christoph | last2=Mitschke | first2=Alexander | last3=Eickhorst | first3=Werner | last4=Fischer | first4=Stefan | last5=Flade | first5=Martin | last6=Frick | first6=Stefan | last7=Geiersberger | first7=Ingrid | last8=Koop | first8=Bernd | last9=Kramer | first9=Mathias | last10=Krüger | first10=Thorsten | last11=Roth | first11=Norbert | last12=Ryslavy | first12=Torsten | last13=Stübing | first13=Stefan | last14=Sudmann | first14=Stefan R. | last15=Steffens | first15=Rolf | last16=Vökler | first16=Frank | last17=Witt | first17=Klaus | title=Atlas Deutscher Brutvogelarten | publisher=Dachverband Deutscher Avifaunisten | publication-place=Münster, Westf | date=2015 | isbn=3-9815543-3-7 | language=de}}

<ref name="j523">{{cite book | last=Grüneberg | first=Christoph | last2=Mitschke | first2=Alexander | last3=Eickhorst | first3=Werner | last4=Fischer | first4=Stefan | last5=Flade | first5=Martin | last6=Frick | first6=Stefan | last7=Geiersberger | first7=Ingrid | last8=Koop | first8=Bernd | last9=Kramer | first9=Mathias | last10=Krüger | first10=Thorsten | last11=Roth | first11=Norbert | last12=Ryslavy | first12=Torsten | last13=Stübing | first13=Stefan | last14=Sudmann | first14=Stefan R. | last15=Steffens | first15=Rolf | last16=Vökler | first16=Frank | last17=Witt | first17=Klaus | title=Atlas Deutscher Brutvogelarten | publisher=Dachverband Deutscher Avifaunisten | publication-place=Münster, Westf | date=2015 | isbn=3-9815543-3-7 | language=de | page=}}</ref>