Charles Darwin included an illustration of the feathers of the great argus pheasant in The Descent of Man. The pattern on great argus feathers seem to depict three-dimensional “pebbles“, showing the extent to which sexual selection will go.
Charles Darwin included an illustration of the feathers of the great argus pheasant in The Descent of Man. The pattern on great argus feathers seem to depict three-dimensional “pebbles“, showing the extent to which sexual selection will go.
Nehaveigur 