Chimps and bonobos can recognize long-lost friends and family – for decades
Bonobos and chimps are able to recognize old pals for years to come, asking each other.
Extensive social memory had previously been documented only in dolphins and up to 20 years. Now, scientists believe chimps and bonobos may be able to remember even longer.(photo credit: LAURA SIMONE LEWIS)ByJUDY SIEGEL-ITZKOVICH