Chimps and bonobos remember friendly faces even after decades apart, study finds
A new study suggests chimpanzees and bonobos remember each other’s faces even after spending years — or even decades — apart.
![Chimps and bonobos remember friendly faces even after decades apart, study finds](https://i.cbc.ca/1.7065526.1703103304!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/1146426305.jpg)
![Female chimpanzee Karla (L) is kissed by Boby 22 May, 2007 at Santa Fe zoo in Medellin, Colombia. 28-year-old Karla spent 25 years at the Gasca Brothers circus where she suffered constant abuse from her owners. Now she has been rescued and it has been requested the assistance from Animal Defenders International (ADI) organization to transport her back to her natural habitat in Africa. AFP PHOTO/ Gerardo GOMEZ (Photo by GERARDO GOMEZ / AFP) (Photo credit should read GERARDO GOMEZ/AFP via Getty Images) Closeup of two chimpanzees, their faces pressed together as one grooms the other.](https://i.cbc.ca/1.7065526.1703103304!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/1146426305.jpg)
A new study suggests chimpanzees and bonobos remember each other’s faces even after spending years — or even decades — apart.