What does Blauer Waldsänger mean?

Blauer Waldsänger - German to English

black-throated blue warbler [Dendroica caerulescens, syn.: Setophaga caerulescens]

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  • black-throated warbler [Dendroica caerulescens, syn.: Setophaga caerulescens]
  • Cairns' warbler [Dendroica caerulescens, syn.: Setophaga caerulescens]