This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...
Great apes, such as bonobos (Pan paniscus) and chimpanzees (Pan troglodytes), exhibit remarkably enduring social memories. In one notable experiment, a bonobo was able to recognize her sister after ...