Hume's Leaf-warbler (Phylloscopus humei mandellii) adult, perched on twig, Old Peak, Hebei, China, May

- Image ID: G565RF

Hume's Leaf-warbler (Phylloscopus humei mandellii) adult, perched on twig, Old Peak, Hebei, China, May

FLPA / Alamy Stock Photo

Image ID: G565RF