Self - Presenter (147 episodes, 2009-2023)
Self - Presenter (95 episodes, 2011-2023)
Self - Presenter (90 episodes, 2005-2011)
Self - Presenter (84 episodes, 2009-2017)
Self - Presenter / Self (80 episodes, 2005-2012)
Self - Presenter / Self (74 episodes, 2009-2022)
Self - Presenter / Self (55 episodes, 2005-2014)
Self - Presenter (50 episodes, 2018-2023)
Self - Presenter (31 episodes, 2020-2023)
Self - Presenter / Self (32 episodes, 2008-2020)
Self / Self - Presenter (15 episodes, 2010-2012)
Self (11 episodes, 2010-2014)
Self - Presenter (8 episodes, 2018-2020)
Self (7 episodes, 2009-2013)
Self (8 episodes, 2010-2014)
Self (6 episodes, 2010-2013)
Self (6 episodes, 2014)
Self (5 episodes, 2010)
Self (5 episodes, 2011-2021)
Self / Self - BTO (6 episodes, 2010-2014)
Self (6 episodes, 2010-2012)
Self (4 episodes, 2009-2013)
Self - Narrator: Flower Border Film / Self - Narrator: Leopard Slugs / Self - Narrator: Rockpool Film / Self - Narrator: Wolf Spider (3 episodes, 2009)
Self (4 episodes, 2010-2012)
Self (4 episodes, 2010)
Self / Self - Oxford University (4 episodes, 2011-2012)
Self (4 episodes, 2011-2012)
Self - Brighton University (4 episodes, 2014)
Self - Presenter (4 episodes, 2018)
Self - Presenter (4 episodes, 2020)
Self (3 episodes, 2009-2010)
Self / Self - Ecologist, Reading University / Self - University of Reading (3 episodes, 2010-2014)
Self - Scottish Beaver Trial / Self - Project Manager, Scottish Beaver Trial (3 episodes, 2011-2014)
Reptile consultant / Amphibian and reptile consultant (3 episodes, 2022)
Self (2 episodes, 2009-2011)
Self (2 episodes, 2009-2010)
Self (2 episodes, 2009)
Self (2 episodes, 2010-2012)
Self / Self - RSPB (3 episodes, 2010-2011)
Self (2 episodes, 2010)
Self - Field Operations Manager, Scottish Beaver Trial / Self - Scottish Beaver Trial (2 episodes, 2011-2014)
Self - Butterfly Expert, National Trust / Self - National Trust (2 episodes, 2011-2013)
Self (2 episodes, 2011)
Self - Buglife (2 episodes, 2011)
Self - Ynys-hir Warden (2 episodes, 2011)
Self / Self - RSPB Mull (3 episodes, 2010-2014)
Self - WildlifeKate (2 episodes, 2012-2013)
Self / Self - Ornithologist (2 episodes, 2012-2013)
Self / Self - BTO (2 episodes, 2013-2014)
Self (2 episodes, 2014)
Self - The Badger Consultancy (2 episodes, 2014)
Self - Presenter (1 episode, 2008)
Self - Ornithologist (1 episode, 2022)
Self (1 episode, 2008)
Self (1 episode, 2007-2009)
Self (1 episode, 2009)
Self - University of Cambridge (1 episode, 2009)
Self - RSPB (1 episode, 2009)
Self (1 episode, 2010)
Self (1 episode, 2011)
Self - The Orchard Pig (1 episode, 2011)
Self - Songbird Survival Trust (1 episode, 2011)
Self - Manx Birdlife (1 episode, 2011)
Self - RSPB (1 episode, 2011)
Self - Skomer Warden (2 episodes, 2011)
Self - Hedgehog Street (1 episode, 2011)
Self - Scottish Government Beaver-Salmonid Working Group (1 episode, 2011)
Self - Game and Wildlife Conservation Trust (1 episode, 2011)
Self - Butterfly Conservation (1 episode, 2011)
Self - Sports Turf Research Institute (1 episode, 2011)
Self - Ornithologist & Bird Food Manufacturer (1 episode, 2011)
Self - UK Cetaceans Stranding Investigating Project (1 episode, 2011)
Self - Ecologist (1 episode, 2011)
Self - British Trust for Ornithology (1 episode, 2011)
Self - Veolia Landfill (1 episode, 2011)
Self - Upton Farm (1 episode, 2011)
Self - Farmer, Anthorn Farm (1 episode, 2011)
Self - Aberystwyth University (1 episode, 2011)
Self (1 episode, 2012)
Self - Sheffield University (1 episode, 2012)
Self - RSPB, Orkney (1 episode, 2012)
Self - Mole Enthusiast (1 episode, 2012)
Self - Bridgwater Angling Association (1 episode, 2012)
Self - RSPB (1 episode, 2012)
Self - Hawk and Owl Trust (1 episode, 2012)
Self - Froglife (1 episode, 2012)
Self - Otter Expert (1 episode, 2012)
Self - Curator of Worms, Natural History Museum (1 episode, 2012)
Self - Aigas Field Centre (1 episode, 2012)
Self (1 episode, 2013)
Self - Photographer (1 episode, 2013)
Self - RSPB Warden (1 episode, 2013)
Self - Red Kite expert (1 episode, 2013)
Self - Butterfly Conservator (1 episode, 2013)
Self - University of Aberdeen (1 episode, 2013)
Self - Area Manager, RSPB (1 episode, 2013)
Self - Ornithologist (1 episode, 2013)
Self - Watkins & Doncaster (1 episode, 2013)
Self - Butterfly Conservation (1 episode, 2013)
Self - University of Bristol (1 episode, 2013)
Self - Gannet Expert (1 episode, 2013)
Self - Portland Bird Observatory (1 episode, 2013)
Self (1 episode, 2014)
Self - Poltalloch Estate (1 episode, 2014)
Self - Eel Trader (1 episode, 2014)
Self - Plankton Biologist (1 episode, 2014)
Self - RSPB Wetland Team (1 episode, 2014)
Self - RSPB Swell Wood (1 episode, 2014)
Self - Story Developer (1 episode, 2014)
Self - Sustainable Eel Group (1 episode, 2014)
Self - Somerset Wildlife Trust (1 episode, 2014)
Self - Bird Watcher (1 episode, 2014)
Self - BTO (1 episode, 2014)
Self - Secret World Wildlife Rescue (1 episode, 2014)
Self - Brighton University (1 episode, 2014)
Self - Butterfly Conservation Scotland (1 episode, 2014)
Self - RSPB (1 episode, 2014)
Self - Sussex Butterfly Conservation (1 episode, 2014)
Self - Researcher, University of Kent (1 episode, 2014)
Self (1 episode, 2015)
Self - Presenter (1 episode, 2018)
Self (1 episode, 2020)
Self (1 episode, 2021)
Self - Birdwatcher (1 episode, 2023)