I have set-up a telescope on the red kite nest and have seen both birds making regular visits with nesting material as well as sitting within what is now a fairly substantial platform. I can also see what looks like some sheep's wool and strands of something else; possibly a plastic carrier bag, within the nest structure. This species is known to decorate it's nest, with a variety of objects being found in monitored nests. I will watch out for anything else odd (as well as keeping an eye on my washing!).