Macaroni penguin 2009 study found that macaroni penguins from Kerguelen travelled over in the central Indian Ocean. With about 18 million individuals, the macaroni penguin is the most numerous penguin species. Widespread declines in populations have been recorded since the mid-1970s and their conservation status is classified as vulnerable. The macaroni penguin was described from the Falkland Islands in 1837 by German naturalist Johann Friedrich von Brandt. It is one of six or so species in the genus "Eudyptes", collectively known as crested penguins. The genus name is derived from the Ancient Greek words "eu" "good", and "dyptes" "diver". The specific epithet
Bird egg the shell immediately before laying, but this research shows coloration is an integral part of the development of the shell, with the same protein responsible for depositing calcium carbonate, or protoporphyrins when there is a lack of that mineral. In species such as the common guillemot, which nest in large groups, each female's eggs have very different markings, making it easier for females to identify their own eggs on the crowded cliff ledges on which they breed. Bird eggshells are diverse. For example: Tiny pores in a bird eggshell allow the embryo to breathe. The domestic hen's egg has around