Pouillot à grands sourcils vs Pouillot de Schwarz

Yellow-browed Warbler and Radde's Warbler are both small Phylloscopus warblers, but the Yellow-browed Warbler is distinguished by its bold wingbars and prominent pale supercilium. In contrast, Radde's Warbler lacks these features and has a more uniform appearance.

Look for the bold wingbars and prominent pale supercilium on the Yellow-browed Warbler. Radde's Warbler will appear more uniform and lack these distinctive markings.

The Yellow-browed Warbler features bold wingbars and a prominent pale supercilium, whereas Radde's Warbler has a more uniform plumage without these striking features.