Why use down feathers to fill blankets?
Feathers are the outer covering that grows from the skin of birds and animals in the class of Aves. Feathers and plumage are one of the most complex outer coverings found in modern animals. In most birds, the entire body is covered in feathers. However, the type of covering differs depending on the area of the body. Avian feathers provide thermal insulation, waterproof protection, and their light and fluffy nature aid in flight. The use of feathers from ducks, geese, and chicken have long been used as filling inside clothing and bedding in colder climates. This tradition started in Europe where the winters are cold and long. However, not all comforters and duvets filled with feathers can be called down comforters. The feathers are separated by class, quality, and the animal which they come from. For a comforter to be considered down bedding it has to satisfy several criteria. There are two different types of feathers from birds. The different types are separated into vaned feathers and
