Only the fifth set of mountain gorilla twins ever to be reported in Rwanda’s Volcanoes National Park. The mountain gorilla is officially listed as critically endangered. This image by Diana Rebman was in the running for the 2013 Gerald Durrell Award for Endangered Species.
All kids love a piggy back ride from dad, and these two baby Golden Lion Tamarins (native to the Atlantic coastal forests of Brazil) 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)
I love you mum! Mother's Day in the animal kingdom for super-cute baby prairie pups, tigers and polar bears
Good samaritans The main reason that bonobos are so peaceful is that males are not in charge. The dominant bonobo in any group is never a male. This is unusual in the animal kingdom. Usually, if females are in charge, they are a lot bigger than the males. Bonobo females are smaller than males