By Norman MacLeod
By Grayson, Anna
By Natural History Museum
By Grady, Monica
By Caroline Smith, Sara Russell, Gretchen Benedix
By Jonathan Silvertown
By George Beccaloni
By Steve Parker
By The Natural History Museum
By Richardson, Phil, Elphick, Jonathan, Eaton, Mike
By Girouard, Mark
By Dougal Dixon
By Rosamund Kidman Cox
By Mark Carwardine
By Lewington, Anna
By Ian Mercer, G. Cressey (Researcher in Mineral Sciences, The Natural History Museum, London)
By Andrew Ross
By W Dubbin
By Chris Mattison, Nick Garbutt
By Mark Carwardine, The Natural History Museum
By Richard Pearson
By Colin Patterson
By Bob Symes, Christopher Stanley, Richard Herrington
By Judith Magee