Wiktionary
n. (pygmy chimpanzee English)
Usage examples of "pygmy chimpanzees".
Some people called them pygmy chimpanzees but the name was a misnomer because some bonobos were actually larger than some chimpanzees, and they were a distinct species.
Bonobos (pygmy chimpanzees) resemble or approach us in many of these latter respects: female receptivity is extended through several weeks of the estrus cycle, sex is mainly recreational, and there is some economic cooperation between many members of the band.
Bonobos, those lithe apes sometimes called pygmy chimpanzees, all sported the same do.
For example, this volume sees the divergence of man from the chimpanzee as occurring about six million years ago, and the pygmy chimpanzees, or bonobos, diverging from the chimpanzees about three million years ago.