Sioux Falls Zoologists endorse Koko: The Gorilla Who Talks
The article about Koko in 1978 in National Geographic started me on
my long journey studying animal intelligence. Animals have names,
talk and communicate, have emotions, solve problems, make tools,
raise and teach their young, have complex social lives
and complex social communities, mourn their dead,
and there are even hints of spirituality.
They are just like us in many, many ways.

Koko: The Gorilla Who Talks

Koko: The Gorilla Who Talks (2015) - 60 minutes
Koko: The Gorilla Who Talks at Amazon.com

In 1971, graduate student Penny Patterson began teaching sign language to a gorilla named Koko, unaware that the relationship would come to define both their lives. What started out as a scientific experiment evolved into an intimate friendship, which for almost half a century has challenged the way we think about animals and changed the course of many lives.

Koko: The Gorilla That Talks is a unique window into an incredible relationship. What can we learn from this extraordinary experience, and does it tell us more about animals' emotions or our own? Over 40 years later, now internationally famous, Koko continues to redraw the line between people and animals.

Koko: The Gorilla Who Talks

Sioux Falls Zoologists endorse Koko: The Gorilla Who Talks
The article about Koko in 1978 in National Geographic started me on
my long journey studying animal intelligence. Animals have names,
talk and communicate, have emotions, solve problems, make tools,
raise and teach their young, have complex social lives
and complex social communities, mourn their dead,
and there are even hints of spirituality.
They are just like us in many, many ways.