These handsome elephant seals are helping us track climate change | Esther Tarszisz

Sedating a one-tonne elephant seal in Antarctica in no easy feat but the vital information the seals are providing about the Southern Ocean makes it worth itOne question I’m asked a lot about my job is: how do you “vet” a one-tonne elephant seal? Well firstly, it makes the 300kg seals seem really titchy and easy. But why, you ask? Why have I travelled to Antarctica to immobilise elephant seals that can weigh from 250kg up to 1,000kg and more? My immediate answer is: who wouldn&