Beautiful Chinese album ｜ Belly River Black: Mysterious "Diving Health General"

China Green Times August 15, 2022

There is no footbrow in the brown river but "diving generals". They have the morphological characteristics of bird -shaped birds but do not go to the woods for food. There are many unsolved mysteries.

The brown river is the same beak and claws of the same bird -shaped birds, but they never leave the river, they will hardly enter the woods, and they will not stay on the tree. Their claws have no feet but can float on the surface. They are swimming like penguins, and they can also walk flexibly on the bottom of the water. Brown River Black can be regarded as a unique magical bird of the bird -shaped bird members.

The brown river black has a distinctive white eye ring. When the diving surface surface or blinks, it looks like turning her eyes

The color and shape of the brown river are similar to the crows we are familiar with, so people usually call it "old water". The color of the brown river black body is dark brown, and the beak, legs and claws are light black brown. The brown river black has white eye circles and is often covered by dark brown feathers around the eyes. It is not easy to see. The brown river eyes also have a special white film that is not available in other birds. We can only see their white eye mask when they dive or when they dive.

Wandering brown river black bird

There are only three types of families in the world, and there are two types of Hewu and brown rivers in China. Hewu is larger than the brown river. It is mainly distributed in high mountains such as the Himalayas, and the brown rivers are mainly distributed in forests such as the mountains, North China, Southwest, South China, East China, and Taiwan.

Brown River Black Capture Little River Fish

The brown river Wu mainly lives in the clear and rocking forest streams. They are very picky about water quality and have a strong dependence on water. They don't fly high, they like to fly along the river by two or three meters above the river. Their stopping points are more picky, not just stop at any place. Only the point that recognizes is their foothold.

The young bird is waiting for the bird to bring food

The brown river is often staying on a protruding stone on the river. Its legs are slightly curled, the tail is upturned, and the head and tail are swinging from time to time. In fact, it is to check whether there is food that can be eaten under the water. Once you look at the target, it will slip into the water.

Brown River Wu is looking for food under the water

After the brown river is black into the water, it can move a few meters or more than ten meters underwater, stay underwater for several seconds or tens of seconds. They often take a wooden branch from the water, which is an insect larvae attached to the underwater stone. This larva is covered with wood chips, which looks like a dead branch in the water, and it is supreme in the brown river's eyes. They held this kind of bug wrapped in the dead branches, holding their heads with their mouths, and throwing it left and right a few times, so that the shell will be separated, exposing white or gray -brown larvae, and then swallowing the larvae.

Photo by a pair of brown rivers

In the recipes of the brown river, not only insects such as the aquatic stone moth larvae, the scales and wing wings, but also a small amount of plant seeds floating on the water and small river shrimp. If you are lucky, sometimes they will catch the small river. fish.

Belly river and Wu stayed in where they were born all year round, and the brown river black figures can be seen throughout the year. In winter, they are looking for inhabits that are not completely frozen. In the cold season, they can also dive into the water like summer, foraging in the winter of insects and other aquatic animals in the water. Brown River Wu usually moves alone, and sometimes it is also a pair of activities, but rarely seen more than 4 cluster activities. They fly fast, and they shouted while flying, crisp and loud. They flew from one place to another place, so fly and fly.

Brown River Black Habitat Environment

Brown River Wuduo began to reproduce in mid -April. They built nests in stones or cracks near the water, and they choose where they are not drizzled by rain. The nest of the brown river is bowl -like, the outer layer is moss, and the inner layer is woven from dry grass and leaves. The ingredients of the nest are from the long moss on the river and the leaves deposited in the water.

The nest of the brown river (18cm outer diameter, 13cm inner diameter, 8cm deep)

The brown river is usually spawned for 4-5 times at a time, and the shape of a pale yellow ovation shaped like pear has a stripe -like milky white ring. After 15 days of hatching the chicks, the chicks left the nest after spending more than 10 days in the nest and followed the bird -friendly activity. The pro -bird stabilizes the chicks in the shallow beach or a small stone of the river, and then predatory in the river to bring back the food to the chicks. A few days later, the "wings are hard" chicks will be curious to explore the surrounding environment and leave the place where the pro -birds are. Gradually, the chicks can soon follow the birds to start trying to prey.

The environment of the brown river inhabitation

Strangely, for a few years, I have observed a few times that a bird is only responsible for feeding a chicks. In fact, the brown river black has 4-5 eggs each time, so what is the fate of other chicks? Perhaps, after hatching, only strong chicks have the opportunity to survive, and the weak chicks will be abandoned. This is probably the natural rule of survival of the fittest.

The brown river Udn is foraging in the place where there is no completely frozen place

The life habits of brown river and black are special. How do they control the buoyancy of the water, why do there not be a brown river and black without leaving the river all year round, why they have the morphological characteristics of bird -shaped birds, but they do not go to the woods for food. It's still a mystery.

Author | Park Zhengji

Picture | This version of the picture is taken by Park Zhengji except for the signature

Executive Editor | Wen Yali

Edit | Anlu

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