"Big Ivy refers to a kidney-shaped region in the Craggy Gardens that forms the headwaters of the Ivy River. This is a dense, cove-hardwood forest with a well developed herbaceous layer, myriad wildflowers in spring, fast-flowing streams, numerous waterfalls, and areas of old-growth forest. Elevation ranges from 2,200 feet to over 5,000 feet.
Higher-elevation areas include sections in the spruce fir zone. Habitats: Rich cove forest, hardwood and mixed pine-hardwood forests, areas of old growth with an extensive herbaceous layer, mountain streams. Key birds: Summer: Veery; Black-throated Green, Black-throated Blue, Blackburnian, and Canada Warbler; Scarlet Tanager; Indigo Bunting; Rose-breasted Grosbeak; Red Crossbill. Year-round: Common Raven; Ruffed Grouse; Winter Wren; Red-breasted Nuthatch; Brown Creeper."