Costello's eyes used to be yellow, but the last year they've been changing more to green. It's interesting to see, and an Aby continues to develop their eye and fur color until they are three years old. He will be three this winter.
http://www.abycat.com/pettalk/green1.jpg
Isn't he graceful??!
http://www.abycat.com/pettalk/green2.jpg
Ops!! Was that a bird?!
http://www.abycat.com/pettalk/green3.jpg