"These bridges allow orangutans to move, to mix, to maintain healthy populations," said conservationist Erwin Alamsyah Siregar A Sumatran orangutan was filmed using a human-made canopy bridge to cross ...

It measures about 3 millimeters long - roughly the size of a sesame seed - and until recently, no one had ever seen it move. Now, a newly discovered species of ground spider has been filmed for the ...