Block Island Refuge is primarily upland, except for beach habitat at Cow Cove, Sandy Point, West Beach, and Beane Point. Beach habitat includes beach grass, northern bayberry, wild rose, and beach plum, Upland shrub habitat includes northern arrowwood , pokeweed, Virginia creeper, northern bayberry, and pine trees.
Two federally listed species are known to breed on Block Island: the American burying beetle (endangered) and piping plover (threatened). The Service has completed recovery plans for both species.
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