Telepathic Communication with Animals
1990
Life and Death in A Pond
1981
Wild National Parks
2020
Rewild, la nature reprend ses droits
2022
When the Road Ends
2020
The Hellstrom Chronicle
1971
The Secret of Life on Earth
1993
Among Big Cats and Anteaters - With Lydia Möcklinghoff in Brazil's wildlife
2021
Wilde Nächte - Wenn die Tiere erwachen
2018
The Apocalypse of the Animals
1972
À l'horizon des événements
2023
Máquinas de palabras
2023
