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
Macaroni (horse) Ormonde and the important stallions Bona Vista, the male-line ancestor of most modern thoroughbreds, and Kendal (sire of the Triple Crown winner Galtee More). Macaroni died on 12 December 1887 and was buried at Mentmore. Macaroni (horse) Macaroni (1860–1887) was a British Thoroughbred racehorse and sire. In a career that lasted from October 1862 to September 1863 he ran eight times and won seven races. In 1863 he won all seven of his races including the 2000 Guineas at Newmarket, The Derby and the Doncaster Cup. Macaroni was bred by Richard Grosvenor, 2nd Marquess of Westminster at his Eaton stud