Kites in Lincolnshire: http://www.lincsbirdclub.co.uk/
Kites in the Chilterns: www.redkites.net
Kites in the North East: www.friendsofredkites.org.uk
Kites in Wales: www.gigrin.co.uk
On Red Kite Wings: http://www.enlightenedmedia.net/#!community-videos/c21q8
Other useful wildlife and contributors sites:
Birding with Flowers A blog describing visits and pictures from wildlife sessions held in East Yorkshire, England, UK.