"Camp Smith Military Reservation and adjacent areas, occupying the northwestern-most corner of Cortlandt, contain a unique assemblage of habitats and species, including five-lined skinks, worm snakes, northern slimy salamanders, black-throated green warblers, prairie warblers, and others."
The New York State Natural Heritage Program has identified a number of significant ecological communities in the vicinity. In the future, connectivity with Putnam County habitats is possible through the Town of Philipstown
Source: Croton to Highlands Biodiversity Plan; http://www.wcs.org/media/file/CHBP_lo-res.pdf. or