Radde's warbler / Bartlaubsänger (Phylloscopus schwarzi)
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Wikipedia: Radde's warbler Source: WIKIPEDIA Radde%27s_Warbler_-_Thailand_S4E1407_%2818645038584%29_%282%29.jpg
Observations
🔍 No documented observationDescription
Classification: Genus Phylloscopus (Phylloscopus); Family Phylloscopidae (Phylloscopidae)General: Winter visitor