Red-faced warbler / Dreifarben-Waldsänger (Cardellina rubrifrons)

Wikipedia: Red-faced warbler Source: OTHER 1200px-Cardellina_rubrifrons.jpg
Classification: Genus Cardellina; Family New world warblers (Parulidae)
General: The red-faced warbler (Cardellina rubrifrons) is a species of New World warbler. [more]

🔍 No documented observation