How to distinguish between lion's head goose seedlings and Round goose seedlings?

Round goose has big eyes, and after January, the mouth turns red. The lion-headed goose has small eyes and a black mouth.

Lion-headed goose body shape

The whole body feathers and wing feathers of the lion's head goose are tan, with lighter marginal colors and marginal feathers. From the top of the head to the back of the neck, a dark brown band of feathers like a mane is formed. The ventral surface of the feathers is white or off-white. The lion-headed goose has a square body, a thick head and a thick neck, and a slightly higher front torso. The rooster walks majestically with its head held high. The prefrontal sarcoma of the head is well developed, protruding forward and covering the beak. There are 1 to 2 pairs of left and right symmetrical sarcomas on both cheeks, and the sarcoma is black. Male and female geese over two years of age are characterized by benign sarcoma that are more pronounced. The beak is short, firm, black, and has serrations at the junction with the oral cavity. The skin of the face is soft and wrinkled.

Round goose characteristics

The coat is grayish brown , the neck and back are nearly black , the thorax is lighter and silvery gray , the lower part of the abdomen is white , and there are also some white-feathered individuals or gray-white individuals. Usually, the gray feathers are looser, the white feathers are tighter, the beak is orange-yellow, the tibia and webbed flesh color, and the gray feathers have a dark part at the tip of the beak.