Acadia National Park

Check back for weekly updates about the number of raptors soaring over Cadillac Mountain each fall and learn about the importance of this migration.

This finding aid describes the Wilbur Doudna Papers, part of the NPS History Collection.

The future of boreal plants is uncertain as temperatures warm and precipitation patterns shift and increasing numbers of visitors contribute to trampling and erosion. Continued monitoring is essential for informing management, and protecting these plants is one of the motivations for ongoing…

Acadia’s sweeping stands of forest are mostly red spruce. The park’s extensive cover of dense evergreens provides year-round shade that helps red spruce continue to grow, in addition to providing wildlife habitat. Anticipating the challenges facing the next generation of trees means examining the…

Sensitive to change in the environment around them, resident and migratory songbirds can provide early indications of shifts that might have broader implications for an entire ecosystem. That’s why keeping a close eye on songbird welfare over a broad time scale can elicit insights that ripple well…