Basic information about PuffinPuffin, fratercula arctica, the bird of Alk, in a row. It is small, reaches a body length between 28 and 37 centimeters, and its wingspan reaches 62 centimeters, although most are somewhat smaller. Weighed from 305 to 607 grams, so very little. There in the North Atlantic. It lives on the open sea, built on the coastal habitats, rocky necessarily. Feed on fish in a huge way, but does not despise or shellfish. Puffin are monogamous creatures, they live in constant, for many years, pairs. They are social animals - in the breeding periods, like many seabirds, grouped in colonies. Reach sexual maturity late, because until the age of 5 years. Reproductive period usually lasts from late March until early September, so it is relatively long. Puffin she hatches the eggs for about 39 days - in one almost always have only one egg. Puffin livelong enough - 21 years was observed even birds. Its population is not as long as threatened, mainly due to the fact that lives in the open sea, rocky and not suitable for human coastal communities.