A dedicated marine conservationist, Fergusson was a founding trustee, inaugural chairman and now a patron of the Shark Trust, a wildlife charity formed in 1997 and based in Plymouth, UK.
It is involved in several breeding programs including the Cuban crocodile, seahorses, butterfly goodeids, and jellyfish, and works with many conservation organizations including Whale and Dolphin Conservation Society, Save Our Seas, Shark Trust, Rainforest Concern, Earth Sea Sky, and South Pacific Projects.
National Trust | National Trust for Places of Historic Interest or Natural Beauty | Wellcome Trust | National Trust for Historic Preservation | Shark Tank | Shark Bay | Shark | National Trust of Australia | Wellcome Trust Sanger Institute | The Prince's Trust | shark | BBC Trust | angel shark | Shark (TV series) | Leverhulme Trust | great white shark | Durrell Wildlife Conservation Trust | Devon Wildlife Trust | Shark Tank (TV series) | Moorfields Eye Hospital NHS Foundation Trust | Metropolitan Bank and Trust Company | The Royal Marsden NHS Foundation Trust | Terrence Higgins Trust | Saccharine Trust | Prince's Trust | Pilgrim Trust | NHS trust | New Zealand Historic Places Trust | National Book Trust | loan shark |