Home | IUCN/SSC Otter Specialist Group, IUCN/SSC Otter Specialist Group Leading global otter conservation since 1974 The Otter Specialist Group (OSG) is part of the Species Survival Commission (SSC) of the International Union for Conservation of Nature (IUCN). The aims of the OSG, as set out by the IUCN, are to: 1. Provide leadership for the conservation of all otter species (Lutrinae). 2. … Continue reading "Home".