An adult female Sumatran orangutan creates a bridge between two trees for her baby (approx 1 year old) to cross a large gap.br/br/The Sumatran orangutan (Pongo abelii) is Critically Endangered (IUCN) and only found in pockets of the Indonesian island of Sumatra.br/br/Gunung Leuser National Park, Bukit Lawang, Sumatra, Indonesia.br/br/Photo: Andrew Walmsleybr/16/04/14