Macaroni penguin of the body, and head and neck hunched, and general hunching of head and neck when incubating or standing at the nest. The macaroni penguin's predators consist of birds and aquatic mammals. The leopard seal ("Hydrurga leptonyx"), Antarctic fur seal ("Arctocephalus gazella"), Subantarctic fur seal ("A. tropicalis"), and killer whale ("Orcinus orca") hunt adult macaroni penguins in the water. Macaroni colonies suffer comparatively low rates of predation if undisturbed; predators generally only take eggs and chicks that have been left unattended or abandoned. Skua species, the snowy sheathbill "(Chionis alba"), and kelp gull ("Larus dominicanus") prey on eggs, and skuas
The Bird with the Crystal Plumage but finds only another dead end. As he makes his way back to his apartment, Julia is attacked by the same black-gloved figure, but Sam arrives home just in time to save her and the assailant escapes. Sam starts to receive menacing phone calls from the killer, from which the police manage to isolate an odd cricketing noise in the background, which is later revealed to be the call of a rare breed of bird from Siberia, called "The Bird with Crystal Plumage" due to the diaphanous glint of its feathers. This proves important since the only one of its