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 pie States, macaroni pie has been and continues to sometimes be referred to as "baked macaroni and cheese". It is a part of the cuisine of the Southern United States. In the United States during the mid 1900s, the word "spaghetti" was typically used to refer to macaroni, and spaghetti noodles were used to prepare macaroni pie during this time period. An American recipe from 1870 includes grated ham as an ingredient in the dish, and also calls for the meat from squirrels, birds or wild ducks. An American recipe from 1892 includes pork and ham in the dish's preparation. Macaroni