Ik maak me grote zorgen over de orang-oetans' - KIJK Magazine
It Should Not Be a Surprise"- Mama's Last Hug - Polly Chandler Coaching
NVON | Leren van apen
Lezing Jan van Hooff | Burgers' Zoo in Arnhem
Jan van Hooff - Publications
Jan van Hooff (politician) - Wikipedia
Jan van Hooff on historical perspective of chimpanzees and Burgers Zoo
Famous chimpanzee passes away at very old age
Jan van Hooff on the Royal Burgers Zoo chimpanzee & lives of primates
Ep70 Jan van Hooff on the Royal Burgers Zoo chimpanzee colony, and the trials and tribulations of the social lives of primates
Category:Anton van Hooff - Wikimedia Commons
Een leven lang naar apen kijken | Burgers' Zoo in Arnhem
La mort de Mama, entretien avec Frans de Waal - Sciences et Avenir
Blogs by AnimalConcepts
Ep57 with Jan van Hooff on historical perspectives of chimpanzees in space, raising chimpanzee babies and socialisation, and the contemporary care and housing at Burgers' Zoo | WeBuzz by AnimalConcepts | Podcasts
Amazon.de: Jan Van Hooff: Kindle Store
Stream episode Dominantie door Professor Jan Van Hooff by AnimalMatters podcast | Listen online for free on SoundCloud
Dutch Primatologist Jan van Hooff – Radio Netherlands Archives
59 Year Old Chimpanzee Saying Bye to Old Friend - ViralHog
Bioloog Jan van Hooff: Dieren in gevangenschap? Dat kan niet alleen, dat móét zelfs
File:LK Utrecht 20141011 Jan van Hooff-Anton van Hooff IMG 0219.jpg - Wikimedia Commons
Nr. 304/600 PROF. DR. JAN VAN HOOFF - Black Jaguar Foundation
Jan van Hooff on Spotify
59-Year-Old Dying Chimp Refuses Food, But Then She Recognizes Her Old Caretaker's Voice | Bored Panda
Biografie Jan van Hooff - KNHS
Jan van Hooff | Writers Unlimited
Ep57 with Jan van Hooff on historical perspectives of chimpanzees in space, raising chimpanzee babies and socialisation, and the contemporary care and housing at Burgers' Zoo | WeBuzz by AnimalConcepts | Podcasts
