- High and varied mineral content of cinders
- Not petrified wood, it just looks like it
- DCL 4667
- sea lion conference
- good place for a nap
- Caldera of Sierra Negra volcano, last erupted in 2005
- hiking the volcano
- sunlit flamingos
- DCL 4657
- Yellow warbler
- Transition to dry side of Sierra Negra
- green in the volcano
- DCL 4692
- our bus
- beach at Isabela pier
- DCL 4681