About Rocky Hill
Located on the Groton-Ayer town line, Rocky Hill Wildlife Sanctuary is a land of impressive ledges, large boulders, beaver ponds, vernal pools, and extensive uninterrupted woodlands. The sanctuary lies within a state-designated Area of Critical Environmental Concern and supports moose, beavers, and porcupines, as well as nearly 100 species of birds and more than 240 plant species.
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- Rocky outcrop that overlooks a beaver pond provides a unique, eye-level view of numerous active Great Blue Heron nests.
- Granitic ridges, with exposed ledges on the hillsides and smaller outcrops and large boulders that provide protective cover for porcupines, nesting turkey vultures, and snakes.
- Plenty of rock surfaces, ideal growing sites for lichen, such as rock tripe or for rock polypody fern.
- Wood Frogs in the vernal pool alongside the Vernal Pool Trail in spring.