Harvested from the nest of eider ducks found wild in Iceland ... Eiderdown is the soft under feathers of the common eider, used to protect it from arctic conditions and freezing cold seas.

The eider, twice as heavy as a mallard, is Europe’s biggest duck. Black and white, stout and short-necked, the drake is a particularly impressive bird. Common eider duck. Picture: istockphoto ...

Here are eight bird species who lay colourful and eye catching eggs. The American Robin is known for its striking blue eggs. The robin’s eggs are often speckled with darker flecks, adding an extra ...