The Koko Signs App Goes to Africa

Koko Signs "Brush"

Koko Comments On Her Gorillas Book

Koko and Penny by the Redwood Tree

KokoCast 2: Meet the Founders: Part 1: How it All Began

Koko is Ready to Eat!

KokoCast 1: Penny Patterson & Ian Redmond

Koko Uses a Microphone!

Young Koko Plays With Blocks

Koko Knows She's a "Gorilla"

Happy 42nd Birthday, Ndume (2023)

World Gorilla Day 2023 — Koko Used Natural Gestures!

Young Koko Learns Her First Signs

Koko Responds to Spoken English

Koko's Birthday Bird

Red Makes Koko Hungry (1999)

Koko's Choice - Alligators or Snakes?

Reflecting on Koko's Playfulness (2023)

Celebrating Koko on Her Birthday 2023

Reflections on Koko's Playfulness

Young Koko Plays in the Hay

Koko Directs Her Playtime (KokoArc Video, 1975)

Koko Jumps on the Bed

Koko Plays the Harmonica

Meet The Gorilla Foundation

Koko Learns to Sign "Flower"

Koko Pets the Dog She Named Smile

Koko's Talking Teletype (1977-79)

Koko's Sour Snack

Koko Climbs a Tree