26 animal species humans are pushing to the brink – III

A captive Amur leopard at the Omaha Henry Doorly Zoo, photographed for National Geographic's Photo Ark. This enigmatic big cat is possibly the world's rarest, with less than 100 individuals remaining in north-east Asia.

An African forest elephant stands at a mud hole in Loango National Park, Gabon. Estimates suggest the population of this smaller African elephant have declined over 80% in the last 90 years. 

The shrill carder bee is one of the species of British bee in decline due to biodiversity loss. According to charity Buglife, “loss and fragmentation of flower-rich habitat through agricultural intensification, overgrazing, and land use changes have all contributed” to the species' rapid decline.

A captive European water vole at the Wildwood Trust park, Canterbury. Once a fixture of the British countryside, the vole has disappeared from 94% of its habitat.