True and false geese differential method
Wild geese are traditional high-quality game treasures and ideal health products. They have always been valued by people. At present, in the major cities along the coast, the price of each wild geese is as high as 400 yuan, but many game markets are often priceless. The huge commodity consumption market has made Dayan become the new darling of the special culture industry. More and more people have realized that the artificial geese breeding market has a promising future. Some local people with keen eyesight have begun artificial breeding. It is worth noting that some lawbreakers have sold Goose, Goose, Goose, Goose, Geese, and other geese that appear to be wild geese and sold them as geese. They have collected money for illegitimate purposes and brought financial losses to the breeders. The identification method of Dayan is introduced as follows.
Wild geese, also known as wild geese, ducks, wild geese are wild geese, bean geese, white goose geese and so on. They are similar in sex. The base of the mouth is higher, the length of the mouth and the head is almost equal, the edge of the upper mouth has strong dentate protrusions, and the mouth is powerful, which accounts for all of the mouth's mouth. The nostrils are long and located in the middle or slightly behind the mouth. The wings are long and sharp, and the tail is round. After the moult, the feathers are bright, and after wear, they become darker and more light brown. The markings are not clear. The specific morphological features and differences with geese are:
First, Hongyan: Hongyan feather color is brownish gray, but there is a reddish-brown long line on the crown, head and neck and back neck. The mouth is black, and the male base expands to become a coronal tumor. The female tumor is underdeveloped. Eye brown, mouth black, legs and feet orange, claw black. The difference with geese is:
(1) mouth. Hongyan chicks have dark black shells and clear white lines on their mouths, but the goose has more mouth color and no white ring patterns on the mouth. Some of the goose's mouth shells look dark black at first, and light gray or light blue when they look fine.
(2) Feather. The geese had tight velvet feathers and darker color, while the goslings had more feathers than the thin boobies and their color was distinct.
(3) neck. The goose’s neck is longer than the goose;
(4) Abdominal area. The geese's abdominal area is hemispherical, more developed, and the flattening of the geese abdominal area is relatively flat and undeveloped.
Second, bean geese: head and neck are gray brown, back and shoulder feathers dark brown, brown waist black, light gray belly, tail coverts, lower pure white, brown eyes, sometimes pink, mouth black, mouth base after Yellow rings, sometimes reaching the nostrils, legs and feet orange. The difference with a goose is to see feathers. The dorsal geese and adults have a white belly on the tail and the waist and tail feathers are dark brown, while the goose has no such features.
3. White-fronted geese: There are white stripes on the forehead of the gendered mouth, and the head, neck, and back feathers are brownish-black, the plumage is gray-white, the tail feathers are brown-black, the feathers are white, and the chest and abdomen are brown-gray, and the fabrics have irregular dark spots. However, when this young geese did not have such dark spots, there was no white grain on the base of the mouth. The geese and geese vary greatly in form and are easily distinguished.
Content sources Albert pheasants
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