Penny And Koko: Reflections On Motherhood

Penny and Koko: Reflections on Motherhood (2018)

Koko's Legacy; Part 3: Motherhood (and Cultural Transmission)

Koko Can Get Frustrated Too

Penny's Interspecies Conversation Talk 2020

How Penny Taught Koko her First Few Signs

KOKO - THE GORILLA WHO TALKS | Beginning of Koko's Story | PBS

PBS

Reflections on Motherhood

Penny and Koko

downundercolour

Penny and Koko Share Edible Plants

Koko and Penny Patterson

Jessica Cantlon

Koko's Wish for a Family

A Conversation With Koko