Carolina wrens, Baltimore orioles, and pileated woodpeckers. Other opportunist ant-eating birds include sparrows, wrens, grouse and starlings. Blackbirds, marsh wrens and black terns nest in the reeds. Among terrestrial birds, ravens, peregrine falcons, some wrens and wagtails are common. Nest predators include snakes, mink, raccoons, and other birds, even as small as marsh wrens. House wrens will destroy both the nests and eggs of Bewick's wrens. At Dudley and Wrens Nest, limestone was mined. Bewick's wrens will visit backyard feeders. As a result, cowbirds may have a significant impact on the reproductive success of wrens. Each regional population of Bewick's wrens have distinctive vocalizations, in particular their call notes. Persistent trespassers may cause the wrens to give chase. The song is loud and melodious, much like the song of other wrens. Roughly 90 percent of the banded wrens died within 10 years. The event's featured performers included Tortoise, The Wrens, The Decemberists, The Go! Living Lyall's wrens were seen only twice.