My runners have mood ring bills. Sometimes the mainly black bill is tinged with blue, sometimes with green, looking like there's a little algae.
Their behavior corresponds to their bill highlights. When bluish, we are mellow, mellow. When greenish, we are much more vocal and energetic.
Their behavior corresponds to their bill highlights. When bluish, we are mellow, mellow. When greenish, we are much more vocal and energetic.