Roundleaf Greenbrier is a thorny, climbing native vine of eastern forest edges and thickets, with green stems, round glossy leaves, and clusters of dark blue-black berries. Despite its formidable thorns, the berries are an important food for mockingbirds, catbirds, and many other birds. The thorny thickets provide exceptional nesting and escape cover for wildlife.
Habitat
Forest edges, thickets, and disturbed areas in eastern North America
Diet
Berries eaten by mockingbirds, catbirds, and many other birds
How common
Common
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