Dong Lei / Giant panda (Ailuropoda melanoleuca) close up of paw showing sixth toe, Chengdu Research Base of Giant Panda Breeding, Chengdu City, Sichuan Province, China.

Dong Lei / Giant panda (Ailuropoda melanoleuca) feeding, captive at Chengdu Research Base of Giant Panda Breeding, Chengdu City, Sichuan Province, China.

Dong Lei / Giant panda (Ailuropoda melanoleuca) portrait, captive at Chengdu Research Base of Giant Panda Breeding, Chengdu City, Sichuan Province, China.

Dong Lei / Pheasant-tailed Jacana (Hydrophasianus chirurgus) Chengdu City, Sichuan Province, China.

Dong Lei / Baer's pochard (Aythya baeri) with White-eyed pochard (Aythya nyroca) Chengdu City, Sichuan Province, China.

Dong Lei / Mixed group of Baer's pochards (Aythya baeri) with White-eyed Pochards (Aythya nyroca) Chengdu City, Sichuan Province, China.

Dong Lei / Snowy-browed Flycatcher (Ficedula hyperythra) perched, Chengdu City, Sichuan Province, China.

Dong Lei / Slaty Bunting (Latoucheornis siemsseni) on ground, Chengdu City, Sichuan Province, China, Asia

Dong Lei / Snowy-browed Flycatcher (Ficedula hyperythra) perched Chengdu City, Sichuan Province, China, Asia

Dong Lei / Collared Finchbill (Spizixos semitorques) perched perched on flowers, Chengdu City, Sichuan Province, China, Asia

Dong Lei / Eurasian Nuthatch (Sitta europaea) on tree trunk, Chengdu City, China, Asia

Dong Lei / Short eared Owl (Asio flammeus) in grass, Chengdu City, Sichuan Province, China, Asia