Macaroni penguin once together at the nest site and at changeover of incubation shifts. In the 'ecstatic display', a penguin bows forward, making loud throbbing sounds, and then extends its head and neck up until its neck and beak are vertical. The bird then waves its head from side to side, braying loudly. Birds also engage in mutual bowing, trumpeting, and preening. Monitoring of pair fidelity at South Georgia has shown around three-quarters of pairs will breed together again the following year. Adult macaroni penguins typically begin to breed late in October, and lay their eggs in early November. The nest itself
Macaroni (horse) entering the straight and held off the sustained challenge of The Oaks winner Queen Bertha to win by one and a half lengths. At Newmarket in October he walked over in the Select Stakes and was then retired to stud. Macaroni was retired to his owner's stud at Hooton until 1866 when was sold for 7,100 guineas to Baron Meyer de Rothschild who moved the stallion to his stud at Mentmore. Macaroni sired several successful racehorses, including the 2000 Guineas winner Macgregor but was more notable as a sire of broodmares. He was the damsire of the Triple Crown winner