in Chicago along the coast of Lake Michigan. It is popular with cyclists and joggers. It is designed to promote bicycle commuting. From north to south, it runs through Lincoln Park, Grant Park, Burnham Park and Jackson Park. Wildlife North Pond The North Pond Nature Sanctuary (), located between Fullerton, Diversey, Stockton and Cannon, is a ten-acre pond that has become an important wildlife area. Historically the site was a dune, then a dumping ground, and an ornamental pond; it was converted in 1999-2000 into a natural area with a littoral zone that greatly improved the water quality by re-establishing native Midwestern ecology. The upland restoration of prairie, savanna, and woodland plants has included only top quality native species such as little bluestem, sky-blue aster, nodding wild onion, side-oats grama, butterfly weed, purple prairie clover, rough blazing star, wild quinine, prairie phlox, coneflowers, false dragonhead, northern prairie dropseed, showy goldenrod, rattlesnake master, shooting star, and wild bergamot. The North Pond Nature Sanctuary is notable as the site where Mayor Richard M. Daley and the US Fish and Wildlife Service signed an Urban Conservation Treaty for Migratory Birds in April 2004, making the city eligible for federal funds to restore habitat for the lakefront migratory pathway for birds. Restoration with native plants has drawn a great diversity of wildlife to this urban pond including many species of birds, turtles, frogs, and even a few beavers. Great blue herons, black-crowned night herons, green herons, mallards, wood ducks, song sparrows and woodpeckers can regularly be spotted at the North Pond Nature Sanctuary. Animal sanctuaries Further north in the park, in the Lake View neighborhood (3600 N), there is the Bill Jarvis Migratory Bird Sanctuary (; formerly, Lincoln Park Addison Migratory Bird Sanctuary). First landscaped and constructed with limited public access in the 1920s, under the leadership of the Chicago Academy of Sciences, its spring is supplied with city water to mimic a natural lake marsh environment, with attendant forest and meadow environments. Most of its area is entirely fenced around to preserve the habitat from human encroachment. Instead, a nature trail and a viewing platform are at its surrounding perimeter. During the 1940s, its Park District caretakers lost funding and the site was padlocked. In 1968, the entire site was almost bulldozed for golf course development but its Lake View neighbors, including Bill Jarvis, led a successful campaign to save and restore it.