A rope bridge restored a highway through the trees for endangered gibbons

With acrobatic leaps, Hainan gibbons can cross a great gully carved by a 2014 landslide in the forest on China’s Hainan Island. But when a palm frond caught by the vaulting apes to steady their landing started to sag, researchers rushed to provide a safer route across. Though slow to adopt it, the gibbons increasingly […]