Radde's Warbler (Phylloscopus schwarzi) adult, standing on stone wall, Beidaihe, Hebei, China, may

- Image ID: CNK4H4

Radde's Warbler (Phylloscopus schwarzi) adult, standing on stone wall, Beidaihe, Hebei, China, may

FLPA / Alamy Stock Photo

Image ID: CNK4H4