Blue-eyed baby: What's about to change?

Image: Sara Zimorski, International Crane Foundation
The chick's blue eyes will very slowly turn gold as the chick matures. Whooping Crane chicks are one of two crane species born with blue eyes that later turn yellowish. Siberian Crane chicks also have blue eyes at hatching, but eye color changes at about six months of age to yellow. Click to see the yellow eyes of an adult.