helen briggs reports. caught on camera in the remote forests of nigeria's largest national park, red river hogs and nocturnal visitors like the golden cat and the genet cat. gashaka—gumti is home to some of africa's most endangered animals and conservationists are using hidden cameras to monitor them. then you go through a lot of camera trap images and it can be quite a tedious process — a leaf blowing in the wind, orjust macaque, macaque, macaque, and it's — you don't see a great deal, but then you will get a gem like a golden cat, the perfect shot, or you'll see a giant pangolin. you weren't sure they were in sight and there is is, in full detail. chester zoo researchers are working with local park rangers to help protect the wildlife. the park is the stronghold for a rare chimp found only in nigeria and neighbouring cameroon. with only a few thousand left in the wild, these images raise hopes that the great ape can escape extinction. helen briggs, bbc news. in a moment the news at one with jane hi