Start with a feather!

When faced with an empty branch and no place to rest your weary beak, start with a feather! Grab some string and a twig or two and you may be amazed at the cozy nest you'll weave, a home you'll never want to leave; at least, for very long. That is the power of a feather.

http://ourhouse.typepad.com/full_circle/images/2008/02/03/feathered_nest.jpg