abstract:The Brown Eared Pheasant, Crossoptilon mantchuricum is a large, 96-100 cm long, dark brown pheasant endemic to the mountain forests of northern China. It has stiff white ear coverts behind the eyes, which look like a moustache.
The contents of cystine, methionine, lysineandarginine of the wholefeather in the sick brown earedpheasant were significantlylower than that in the health.