Macaroni penguin female are similar in appearance; males tend to be slightly larger. Males also bear relatively larger bills, which average around compared to in females; this feature has been used to tell the sexes apart. Immature birds are distinguished by their smaller size, smaller, duller-brown bill, dark grey chin and throat, and absent or underdeveloped head plumes, often just a scattering of yellow feathers. The crest is fully developed in birds aged three to four years, a year or two before breeding age. Macaroni penguins moult once a year, a process in which they replace all of their old feathers. They
The Nu Breed Music Group scene. In Late 2008 The Nu Breed Music Group Signed Harlem Entertainment Mogul Jayson "J-Didda" Butler and his Crezyrakk Records Imprint to a joint venture. A Nu Breed Compilation album entitled "The Nu Breed : Chapter 1", which showcases the talents of all the Nu Breed artist is planned to be released 2010. The Nu Breed Music Group recently created a website that keeps up to date with what is going on in the group. The Nu Breed Music Group The Nu Breed Music Group, commonly referred to as The Nu Breed Recording or just The Nu Breed, is a