All Episodes

December 15, 2025 74 mins

Send us a text

Episode 1 of Series 15:  Transcript

We explore the story of Washoe, the first non-human to learn American Sign Language, and discuss the broader implications of chimpanzee communication on our understanding of language, culture, and ethics. The conversation covers the challenges of raising chimps in human environments, the role of sanctuaries in their care, and the ongoing reliance on monkeys in U.S. laboratories.

Guest Bio: Mary Lee Jensvold, Ph.D. is the Primate Communication Scientist and Associate Director at Fauna Foundation and a Senior Lecturer in the Primate Behavior and Ecology Program and Anthropology Department at Central Washington University. She is the former director of the Chimpanzee & Human Communication Institute at Central Washington University. She has spent her career working with the signing chimpanzees, Washoe and her family. Her expertise is in behavior and communication, including American Sign Language in chimpanzees and other apes. Her research includes communication among and between chimpanzees and humans, and captive caregiving practices. Her interest in chimpanzee sanctuaries include care practices, behavior, design, and welfare. She is a member of the board of directors of the Animal Welfare Institute, Fauna Foundation, and Friends of Washoe. She is on the steering committee of the North American Primate Sanctuary Alliance (NAPSA). She has numerous publications in journals and books. She has authored and co-authored books including Chimpanzee Behaviour: Recent Understandings from Captivity and the Forest.

Book Recommendation: Next of Kin: My Conversations with Chimpanzees (Living Planet Book) 

Related Links: 

E22: Ecofeminism and Entangled Empathy with Lori Gruen

124. What Can a Matriarchal Society Teach Us About Sex and Compassion? A Bonobo Perspective with Dr. Lori Gruen (S13)

93: Human Relevant Testing: A Conversation on Enhancing Human Health and Animal Welfare with Dr. Aysha Akhtar (S9)

47: Expressions of Emotion in Animals with Dr. Mariska Kret (S6)

Support the show


Show Credits⁠⁠⁠⁠

⁠⁠⁠⁠Read the Blog! (Guest profiles, book recommendations, trailers and more!)

What to start your own podcast in he Animal Advocacy or Animal Welfare Space? Check out my ⁠⁠⁠⁠ Podcast Mentoring Services⁠⁠⁠⁠!

⁠⁠⁠⁠Become a Patron! ⁠⁠⁠⁠

⁠⁠⁠⁠Sign up for the Newsletter

Mark as Played

Advertise With Us

Popular Podcasts

Two Guys, Five Rings: Matt, Bowen & The Olympics

Two Guys, Five Rings: Matt, Bowen & The Olympics

Two Guys (Bowen Yang and Matt Rogers). Five Rings (you know, from the Olympics logo). One essential podcast for the 2026 Milan-Cortina Winter Olympics. Bowen Yang (SNL, Wicked) and Matt Rogers (Palm Royale, No Good Deed) of Las Culturistas are back for a second season of Two Guys, Five Rings, a collaboration with NBC Sports and iHeartRadio. In this 15-episode event, Bowen and Matt discuss the top storylines, obsess over Italian culture, and find out what really goes on in the Olympic Village.

iHeartOlympics: The Latest

iHeartOlympics: The Latest

Listen to the latest news from the 2026 Winter Olympics.

Milan Cortina Winter Olympics

Milan Cortina Winter Olympics

The 2026 Winter Olympics in Milan Cortina are here and have everyone talking. iHeartPodcasts is buzzing with content in honor of the XXV Winter Olympics We’re bringing you episodes from a variety of iHeartPodcast shows to help you keep up with the action. Follow Milan Cortina Winter Olympics so you don’t miss any coverage of the 2026 Winter Olympics, and if you like what you hear, be sure to follow each Podcast in the feed for more great content from iHeartPodcasts.

Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.