Old Dutch Capuchine Pigeon with Mane Crest (image) University of Utah Share Print E-Mail Caption This is a rock pigeon of the breed old Dutch capuchine, which has a kind of head crest known as a mane. More than 80 breeds out of some 350 breeds of rock pigeon have head crests, which form when head and neck feathers grow upward instead of downward. Scientists from the University of Utah, BGI-Shenzen in China and other institutions decoded the genome or genetic blueprint of the rock pigeon, then found that a single gene mutation linked to the head crest trait. Credit Michael D. Shapiro, University of Utah. Usage Restrictions Credit required Share Print E-Mail 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.