How does yellowbird listen to single tones?

Yellowbird's voice is loud, mellow, with a steel tone and a dull cavity. It can sing all day, so it is monophonic.

First, observe its posture at rest. A good bird should be huge, with its left and right wings crossed. Its shape is as wide and clear as an inverted triangle, tall and straight. Then, observe the feather color of yellowbird. From the fineness of feathers, it can be divided into fine-haired birds and coarse-haired birds. Fine-haired birds are the first choice, but there are few fine-haired birds.

Yellowbird can be divided into cyan, yellow, green and white in coat color. Generally speaking, blue finches bloom earlier, white finches are rare, and yellowfinches are more orthodox in color, but yellowfinches bloom slowly, and they usually wait until the next spring to hear the real cry of autumn.

Identify the size and color of the black block on the yellowbird's head. The size of the black block is related to the age of the bird. With the increase of age, the black block is getting bigger and bigger. The older the bird is, the more unruly it is, but the song will be more exciting. So you can choose the age of the bird according to your own preferences.

After selecting the above features, you can take them home for further screening by listening to the sound. When you get home, you need to put the bird in a separate cage, feed it with perilla and water, and rest for a few days. After a week or two, you can tell which bird is loud and its tone has changed, so you can stay. If you can find it, it is not only loud, round, steel and dull, but also

First, observe its posture at rest. A good bird should be huge, with its left and right wings crossed. Its shape is as wide and clear as an inverted triangle, tall and straight. Then, observe the feather color of yellowbird. From the fineness of feathers, it can be divided into fine-haired birds and coarse-haired birds. Fine-haired birds are the first choice, but there are few fine-haired birds.