No one will realize why a North America woodpecker's feathers are changing its color from yellow to red. However, there were some ornithologists have noticed some bird's yellow feathers have strangely turned red. They thought the birds have bred with another member, such as the red northern birds which is lives in the West, but then they figured out that the red birds are thousands of miles away from these eastern North America woodpeckers.
According to new research published in The Auk, the observation has given a result that 'you are what you eat' has proven unexpected true. The answer why it turns out to be red, because of its diet. The birds is eating red berries which can turn their feathers having a dark deep red color. The changing color into yellow, orange, or red hues is common in bird's feathers which actually come from the food they eat that produce some pigments.
According to new research published in The Auk, the observation has given a result that 'you are what you eat' has proven unexpected true. The answer why it turns out to be red, because of its diet. The birds is eating red berries which can turn their feathers having a dark deep red color. The changing color into yellow, orange, or red hues is common in bird's feathers which actually come from the food they eat that produce some pigments.