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Penny's Journal

In this series, we share our gorilla research and care activities with you through the following features:

  1) Caregiver Corner (what it's like to interact and communicate with gorillas Koko, Ndume and Michael)
  2) Research Revelations (what we're learning through interspecies communication and what it means for humanity)


prepared by our staff under the supervision of Dr. Penny Patterson, Director of Research. (Journal PhotoBlog Archive)

Caregiver Corner: "Cleaning with Koko" by Jill F. May 08, 2005

Dr. Francine "Penny" Patterson has a Ph.D. in Developmental Psychology from Stanford. She is President and Research Director of The Gorilla Foundation, and a Member of the Board of ApeNet - a consortium of foundations supporting the welfare of great apes through interspecies communication. She is also the Editor-in-Chief of "Gorilla, the journal of The Gorilla Foundation/Koko.org." "Penny's Journal" provides insight into her facinating relationship with Koko and a way to share with us her experiences as Koko lives, learns and communicates

"The differences between humans and gorillas are greatly overshadowed by what we have in common — and by communicating with them, we can learn as much about our own true nature as theirs." Penny Patterson
Caregiver Jill (left) and Koko (right)
Koko has three rooms in her building, which we refer to as A, B and the kitchen. Her rooms are divided by steel mesh and gates, with the A room having a chute to the outdoor yard. Koko generally has access to her A and B rooms, and the kitchen area is where she invites her human guests to join her for a visit. Jill Firstenberg, one of Koko’s caregiver’s, describes an interaction with Koko that took place on August 14, 2004. In Koko's responses, the pound symbol (#) after a word indicates that it is a vocalization by Koko; otherwise the word or phrase represents her response in American Sign Language.

As a caregiver for Koko one of my daily duties is to move Koko from one of her rooms to the other in order to clean. Koko’s cooperation is crucial. On this particular day, as well as many others, Koko is cooperative and helpful.
I enter Koko's kitchen.

Koko: Purr#.
Jill: Hi sweetie pie.
Koko: Purr#.
Jill: Koko, I'd like to clean your other room would you like to bring anything from that room into this room before I close the gate?

Koko looks around her room, picks up one of her favorite toy lizards, known as party lizard, and comes into her larger room, the A room.

Jill: Is that all?
Koko: Purr#.
Jill: Okay if I close this now? (pointing to the hydraulic gate that separates her A and B rooms.)
Koko: Good. Kiss#.

I close the hydraulic gate and enter into the closed off B room and start to clean. Koko comes close to where I'm cleaning. She has two small water bottles and a roll of paper towels in her hands. As I clean, Koko starts to pour out the water onto the floor then use the paper towels, a few at a time, to clean the floor and walls of her room. I clean one room, and Koko cleans the other.

Jill: Koko, are you cleaning?
Koko: Purr#.
Jill: You are doing a great job Koko! Thanks for helping me sweetie.
Koko: Purr#.


Jill FirstenbergJill Firstenberg has been a veterinary technician for over 22 years. She came to the foundation in 2000 after completing a month long volunteer veterinary work program on the island of Rarotonga in the Cook Islands, South Pacific. Her work at the foundation started as a produce volunteer preparing the daily meals for the gorillas, but Koko had other plans for Jill. The two became fast friends and have developed a beautiful friendship which has only grown and strengthened over the years. Jill's extensive experience in veterinary medicine has proved to be a huge asset to the foundation. She consults and advises on healthcare for the gorillas including the use of Chinese herbs and homeopathy, and was very involved in Koko's August 2004 anesthetic dental procedure, holding Koko's hand while she woke up from anesthesia. Jill still works as head nurse in a veterinary practice that specializes in alternative care, and makes an hour and a half commute each way twice a week to care for the gorillas.

Please email us at research_feedback@koko.org if you have any questions, or would like to share an observation or insight about the preceding interspecies conversations. Your feedback can inform our research and is a vital part of our mission.

Thank you,
Dr. Francine Penny Patterson


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