The Hellstrom Chronicle
1971
The Platypus Guardian
2023
Oak Tree: Nature's Greatest Survivor
2015
La natura che affascina i giovani
—
Zoo Quest to West Africa
1955
Castro's Secret Reef
2016
Broken Fall (Organic)
1971
National Geographic- Iceland River Challenge
1984
Kea: The Smartest Parrot
2005
The Great Blue Heron
1976
Die letzten Paradiese - Die schönsten Landschaften und Tierparadiese der Welt
2018
Megalopolis facing sea level rise
2022
An Inconvenient Truth
2006
