All kids love a piggy back ride from dad, and these two baby Golden Lion Tamarins are no exception. In Tamarin tradition, the father carries the babies, with mom stepping in only to feed them when they feel hungry. (Photo by Chris Balcombe)
The nest by David Hobcote via "There are roughly 700 mountain gorillas remaining on Earth, and nearly half live in the forests of the Virunga mountains in central Africa. These gorillas live on the green, volcanic slopes of Uganda.