√1000以上 blue jay feathers brown 328697
The structure of its feathers is such that when light hits them, blue light is refracted while other light colours are absorbed making them look blue Don't believe us?If you come across a Blue Jay feat If you grind up the wing of a cardinal, the resulting powder will be red If you do the same with a blue jay feather, the powder will be brown You can see the same effect by simply turning around a blue feather This effect is not unique to blue jays Blue birds are not really blue They do not have any blue pigment Instead they use a very cool trick called light scattering Blue Jay Overview All About Birds Cornell Lab Of Ornithology Blue jay feathers brown
