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Environmental Protection Guidelines ek Forster's Tern (Sterna forsteri) Conservation Status: The Forster's Tern is listed as a species of special concern on Minnesota Depart- ment of Natural Resources list of Endangered, Threatened, and Special Concern Species because of its highly specific habitat requirements. This unique bird has been sighted in the Marshan Lake area. Description: • Size: 13-14 in • A medium -sized tern. • White with black cap. • Tail long and deeply forked. • Wings very white in most plumages. • Legs orange and relatively long. Habitat Breeds in marshes, generally with lots of calm, open water and large stands of island -like vege- tation. Winters in marshes, coastal beaches, lakes, and rivers. Nest Type: Varies from scrape in mud or sand, to elaborate raft of floating vegetation, or on top of a muskrat lodge. Typically placed in clumps of marsh vegetation close to calm open water. Food: Small fish and arthropods. Sound: Common call a descending "kerrr." Threat call a harsh "zaar." Homeowners Guidelines for Protecting Forster's Tern Habitat: • Maintain natural vegetation along shorelines and adjacent upland areas. • Limit human activity around nesting areas. • Limit activities that agitate lake surface. For more Information contact DNR Ecological Services — Natural Heritage and Nongame Research Program 651-296-6157 Sources used to construct this page: McNicholl, M. K., P. E. Lowther, and J. A. Hall. 2001. Forster's Tern (Sterna forsteri). In The Birds of North America, No. 595 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA. Cornell Lab of Ornithology website www.birds.cornell.edu / programs /AllAboutBirdsWisconsin Department of Natural Resources website www.dnr. state .wi.us /org/land /er /factsheets /birds BRUGGEMAN PROPERTIES B u i l d i n g C o m m u n i t i e s S i n c e 1 9 5 9 • Page 6