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 salad Macaroni salad Macaroni salad is a type of pasta salad, served cold made with cooked elbow macaroni and usually prepared with mayonnaise. Much like potato salad or coleslaw in its use, it is often served as a side dish to barbecue, fried chicken, or other picnic style dishes. Like any dish, national and regional variations abound but generally it is prepared with raw diced onions, dill or sweet pickles and celery and seasoned with salt and pepper. In Australia, and New Zealand it is commonly known as pasta salad which is usually made with cooked shell pasta pieces and bought