29 May The Gorilla Glass Ceiling Posted at 10:00h in Podcast by Wendy Campbell 1 Like Share https://www.zooradio.org/wp-content/uploads/2018/05/Zoological_Radio-Pinga.mp3 QUICK BITES: When a silverback Grauer’s gorilla suddenly dies, can a plucky young female take over as leader of the troop?