My capuchine x fantail, Ellie Mae (https://www.backyardchickens.com/forum/viewtopic.php?id=56729) has heterochromia. I've never seen this in birds, and didn't even know it was possible, but apparently it is! Anyone else ever seen this in a pigeon (or any other bird) before?
Here's Ellie
Lighter eye
Darker eye
Frontal shot
Edited to add another pic
Here's Ellie
Lighter eye
Darker eye
Frontal shot
Edited to add another pic
Last edited: