Black Tern Bog State Natural Area
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| Black Tern Bog State Natural Area | |
|---|---|
 Black Tern Bog | |
  Location of Black Tern Bog State Natural Area in Wisconsin  Black Tern Bog State Natural Area (the United States) | |
| Location | Vilas, Wisconsin, United States |
| Coordinates | 45°58′1.25″N 89°41′53.11″W / 45.9670139°N 89.6980861°W |
| Area | 26 acres (11 ha) |
| Established | 1967 |
Black Tern Bog State Natural Area is a Wisconsin Department of Natural Resources-designated State Natural Area featuring 20 acres (8 ha) of quaking sphagnum bog surrounding two small seepage lakes situated in a pitted outwash plain. The bog is rich in plant species, such as sundews, pitcher plant, bogbean, and bog rosemary, as well as three species of bog orchids: swamp pink, grass pink, and rose pogonia. The state-endangered bog rush (Juncus stygius) also grows here. Birds known to nest here include black tern, American bittern, killdeer, and mallards.[1][2]
