It is further subdivided into the following categories: 1. Cloud sand: There are gray circles in the fundus sand. At the bottom of the white clouds, the sand on the surface is red. (Good at flying on cloudy days) 2. Silty sand: There is a cloud bottom around the pupil. The sand turned red. Good at flying on cloudy days. Cloudy silt: Eye sand lives between cloud sand and silt. (cloudy) 4. Blue peach blossom: purple sand in eyes. The fundus is blue. It's called blue water purple peach blossom sand. (strong light) 5. Earth red sand: Yellow sand and red sand are evenly matched. (cloudy) 6. Red sand with yellow background: Yellow sand is the main bottom sand. The surface sand is mainly red sand, with half yellow and half red. Equal pairing combination. (strong light) 7. Yellow-bottomed red sand: mainly yellow-bottomed sand. The surface sand is reddish. (strong light) 8. Red sand: Red sand is the main component of bacteria in bottom sand and surface sand. (strong light) 9. Purple sand: the whole eye sand is purple, which is a kind of eye sand that attracts much attention. (Gao Xiang) 10 coarse red sand: the sand bottom is slightly yellow, and the whole layer of red film is leaked from the surface sand. (tropical) 1 1. Oil eye sand: there is a thin green around the pupil, and the surface sand is purple and dark gray. (at night) 12. Black eye sand: the bottom sand and surface sand are composed of yellow-green tones and belong to yellow-green slightly black sand type. (white. Black) 13. Sauce sand: Bottom sand and top sand are brown sand molds composed of yellow, red and black. The bottom sand is golden and shiny, the surface sand is dark brown, the pupil line is black, and all colors are harmonious. It belongs to "all-weather" sand type (white and night). Question: How can pigeons' eyes shine or see? I want to see what my pigeon looks like ~ ~ ~ Thank you. Answer: You can tell whether this pigeon is keen or dull. Which pupils contract like pinholes in the sun, indicating that this pigeon is very smart and often performs well in competitions. When a stranger enters the pigeon house, the pigeon's eyes will pay attention to his every move and sneak away from his feet before he does anything. This is also a clever pigeon. Some senior pigeons, when he presses the pigeon's head with his index finger, can feel the high-frequency jitter of the pupil rhythmically, and think that this pigeon has a high IQ. They often compare the eyes of mentally retarded children to pigeons to show that "eyes are the windows of the soul". Although these lack strong scientific basis, they have been confirmed in practice, so they are convinced. Secondly, we can see the pigeon's health and the peak state before the game from its eyes. A healthy pigeon, its eyes must be bright, radiant, bright rather than dripping with water, and the sand grains are clear and more stereoscopic. Some weak pigeons are often dull-eyed, losing their former light and the sand is muddy. Monocular cold or pigeon pox is more obvious in the eyes, manifested as moist eyes, tears, drooping eyelids to swelling eyelids, or acne marks on eyelids and fading of eye sand. Before a pigeon is caged, its owner always needs to see if it is at its peak. Then, the eyes are an important sign. Eyes are bright, dry and bright, sand is bright red, Huang Chengcheng is golden, and pigeons with red eyelids are redder than before. All these indicate that this pigeon is at its peak and there will be a good show in the game. From the color of eye sand, the thickness and arrangement density of sand particles, we can roughly judge what strain this feather pigeon is. Pigeon eye sand, including surface sand and bottom sand, is hereditary, and there are two kinds: dominant and recessive. As long as it is inbreeding, 10 will have the same eye sand as the old pigeon instead of 20 generations. For example, the pigeon in Zhan Sen has an "old white eye". Although it has been decades, until today, white peach blossom and red eyelid are still his "registered trademarks". The No.90 eye sand obtained by Hengde is dark chicken yellow. The eye sand of Shanghai "Li Bird" is similar to that of No.90, but "Li Bird" also has beautiful red bayberry peach blossoms. Yang Ateng's eye sand and Allevi's eye sand all have their own characteristics. Pigeons can tell at a glance. It is appropriate to pour the country into a unified system. "Although the pigeon's eyes are very important for distinguishing the pros and cons of a homing pigeon, it must be comprehensively investigated. Like pigeons