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Established in 1981, Friends of Washoe is a non-profit organization (501.c3) dedicated to supporting Washoe's remaining family, Tatu and Loulis, in their home at Fauna Foundation; studying communication in all primates and ways to improve captive conditions for all apes; and promoting peaceful coexistence between human and non-human animals through education and awareness.


A recent publication featuring Tatu and Loulis' signing at Fauna Foundation.

chimpanzee tatu and loulis groom

Available online  Jensvold, M.L.; Dombrausky, K.; Collins, E. Sign Language Studies with Chimpanzees in Sanctuary. Animals 202313, 3486.

Learn about Tatu & Loulis's home at Fauna Foundation's website!