Magnificent Riflebird: Directional Color | Cornell / National Geographic

Originally posted on SANTA MONICA BAY AUDUBON SOCIETY BLOG:
Iridescence can be seen only when light hits feathers at just the right angle. By adjusting where they are relative to their audience, males can “turn on” their bright colors. Magnificent Riflebirds seem to use this feature with particular precision, even choosing display sites that put their audience in exactly the right place to see the… Continue reading Magnificent Riflebird: Directional Color | Cornell / National Geographic