An extensive aerial survey in South Sudan has revealed an enormous migration of 6 million antelope – the largest migration of land mammals anywhere on Earth. It is more than double the size of…
Campaign by local angling club to free fishes’ migratory routes is part of move across Europe to create free-flowing rivers
A dam that has blocked the Tromsa River in Norway for more than 100 years…
Scientists working on the Search For The Lost Fishes project have spotted the freshwater Batman River loach, which has not been seen since 1974
A freshwater fish that scientists thought was extinct…