Writing
Nature
1982 · Writer
Natural World
1983 · Writer
Wild Japan: Snow Monkeys
2014 · Writer
Premiers pas dans les Rocheuses
2022 · Director
Born in the Rockies
2021 · Creator
Beartrek
2016 · Writer
Bears of the Last Frontier
2011 · Producer
Niagara Falls
2025 · Director
Heart of a Lion
2026 · Director
