Mink Brook is an important watercourse and wetland corridor for mink, otter, muskrat, beaver, black bear, and many other critters. Also living at the Preserve are white-tail deer, foxes, coyote, weasels, raccoons, squirrels, chipmunks, and other small rodents.
Bears have long made their home here and in adjacent parts of Lebanon. If you encounter a bear, do not run, but alert it to your presence by talking, and back up slowly if possible. Avoid coming between a mother and her cubs. Dogs should not be permitted to approach a bear. Mink Brook neighbors can help bears remain wild and safe by securing garbage and taking in bird feeders while bears are active.
Mink Brook Nature Preserve offers excellent bird-watching: more than 70 species have been recorded here, making it a favorite birding spot close to town. Some species recorded include Red Crossbill, Hairy Woodpecker, Black-capped Chickadee, White-breasted Nuthatch, Veery, Wood Thrush, Wood Duck, Gray Catbird, Cedar Waxwing, Black-and-white Warbler, Ovenbird, Northern Cardinal, Rose-breasted Grosbeak and American Goldfinch.
The brook is home to several species of fish, and is a popular spot for watching the spring White Sucker spawning run in late April. Recent studies in the tributaries of Mink Brook showed an impressive number and variety of fish, including Brook Trout, Creek Chub, Atlantic Salmon, Black-nosed and Long-nosed Dace, and Common Shiner.