What effect does the pigment depth of pigeon eye sand have on the brightness of the weather?

Yellow orange sand is suitable for flying in sunny days, and yellow red sand pigeon eyes are more suitable for flying in rainy days.

The orange sand at the bottom is the feather color with the highest proportion in pigeon eye color! It can be said that more than 80% of pigeons are such eye sand. This kind of eye sand is suitable for flying in dry weather. That is to say, if pigeons in the north are mainly pigeons with yellow background and orange sand, pigeon lovers should not argue with pigeons because more than 90% of the weather in the north is sunny. I also know that there are many rainy days in summer, but it is still sunny together! This kind of pigeon with yellow background and orange sand looks good on sunny days.

Officials say that the eye sand of pigeons is red because they fly by the sea all the year round, so this kind of pigeons is more suitable for flying in rainy days. Because red-eyed sand is caused by flying in rainy days all the year round, that is to say, this kind of pigeons need certain eyes to fly in rainy days, and the capillaries in their eyes are heavier, so they react more red to color! Therefore, pigeon lovers in the south should pay attention. If you take homing pigeons to the competition, or choose some pigeons with red pigeons, it is more suitable for you!