Zebra Finch (2 of 2) (IMAGE) University of Melbourne Caption This photo shows exquisitely fine barred plumage in a male zebra finch (Taeniopygia guttata). The Zebra Finch is just one of many species where barred plumage appears at sexual maturity and only in males, indicating it that barred patterns can function in sexual signaling in birds. Credit Ms. Thanh-Lan Gluckman, University of Melbourne Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.