Scaly-sided Merganser – Natural Bird Sound
The scaly-sided merganser or Chinese merganser is an endangered typical merganser.
Body length 52 ~ 62 cm. Iris light brown. Mouth bright red, slender, apex hooked downward. Feet orange-red.
The male breeding feathers are dark green on the head and upper neck with luster, with scattered long thin crown feathers on the pillow, black back and back, white with black lines on both sides, lower neck, chest, flank, abdomen, waist, The tail coverts are white, with black scaly markings on the sides. The non-breeding plumage resembles that of the female, but the head and upper neck plumage is darker.
Females are reddish-brown from head to neck, with shorter occipital crest feathers than males, grey back, white neck, breast, flank, and abdomen, with grey scaly markings on the thorax and flank.
The sub-adult looks like a female, but the crest feathers and scaly markings are not obvious.
Breeds in southeastern Russia, northeastern China, North Korea and other places; migrates to Japan, South Korea, central and southern China in winter. Occasionally appear in Taiwan, Southeast Asia.