Graeme Green

Decades after the world’s biggest otter disappeared from the country, a kayaking trip revealed a lone male swimming in the Bermejo River

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…

Researchers are going on a bear hunt, using AI and radar to spot dens and track the threatened Arctic predators The age of extinction is supported by