The Prothonotary Warbler became known in the 1940s as the bird that, in front of the House Un-American Activities Committee, established a connection between Whittaker Chambers and Alger Hiss.
Old World warbler | Cetti's Warbler | Warbler | Wood Warbler | warbler | New World warbler | Subalpine Warbler | Great Reed Warbler | Garden Warbler | Sedge Warbler | golden-cheeked warbler | Cerulean Warbler | wood warbler | Wilson's Warbler | Willow Warbler | willow warbler | Whistler's Warbler | Typical warbler | Swainson's Warbler | Seychelles Warbler | sedge warbler | Rubeho Warbler | River Warbler | Prothonotary Warbler | prothonotary warbler | Orphean Warbler | Orange-crowned Warbler | Ménétries's Warbler | Japanese Bush Warbler | Hatutu Marquesan Warbler |
In addition to the cypress, the Sanctuary protects many songbirds (prothonotary warbler, waterthrush), frogs (green frog, spring peeper) and several wildflower species (cardinal flower, jack-in-the-pulpit).
The watershed includes rare Great Lakes marshes and floodplain forests, which serve as habitats for migratory birds such as the Prothonotary Warbler (commonly known as the Golden Swamp Warbler), as well as the endangered Mitchell Satyr butterfly.