Bonobo (Pan paniscus), female kissing newborn rooting for the nipple, Sanctuary Lola Ya Bonobo Chimpanzee, Democratic Republic Stock Photo - Alamy
The birds, the bees and the bonobos - Macleans.ca
NOVA | The Last Great Ape | Read My Lips image 8 | PBS
Humans' close relatives, chimps and bonobos, were kissing cousins | Reuters
Humans' close relatives, chimps and bonobos, were kissing cousins | Daily Mail Online
Why do human kiss each other when most animals don't? – sanjay's Blog
Study: Humans, chimps share cognitive connection | Nebraska Today | University of Nebraska–Lincoln
Chimps use 'hi' and 'bye' greetings, just like humans | Live Science
Bonobo Conservation on Twitter: "Bonobos are the only other great apes to kiss on the lips, they frequently demonstrate compassion. empathy and love http://t.co/BlgdruSWGB" / Twitter
Bonobos Have Lots of Sex, Are Awesome, May Hold Key to Our Past - Pacific Standard