- The Human Need for Nature
- Wild Lands and Wilderness
- What's an Ecosystem?
- What's a Keystone Species?
- Beavers
- Prairie Dogs
- Importance of Predators
- Rock Creek: A Stream Ecosystem
- Ghosts in the High Country (Mountain Lions)
- The Bighorn Sheep Rut in Colorado
- Fire in the Western US
Osprey
- The Osprey Files: Nesting Starts
- The Osprey Files: An Attempted Nest Takeover
- The Osprey Files: Weathering the Storm
- The Osprey Files: Herring!
- The Osprey Files: Growing Up Part I
- The Osprey Files: Growing Up Part II
Prairies
- Prairie Dreams
- Prairie Dreams: Restoring Prairie Ecosystems
- Prairie Dreams: Restoring Prairies to Conserve Water
Birds of Prey
