By Norman, David, Wellnhofer, Peter, Sibbick, John
By Douglas Palmer, Palmer, Douglas
By Michael Jay
By Paul Harrison, heather-amery
By Nicholas Harris, Harris, Nicholas
By Steve Parker, Belinda Gallagher
By Dougal Dixon, Dixon, Dougal
By BBC
By Parker, Steve
By Forey, Pamela, Forey, Peter
By Norman, David
By Theodore Rowland-Entwistle
By A K Dewdney
By Mash, Robert
By Johnson, Jimmy
By Prothero, Donald R.
By Ames, Lee J.
By GARDOM, Tim, Milner, Angela C.
By Willock, Colin
By John Malam
By O'Neill, Luke
By Heather Amery, Colin King
By Natural History Museum