FREE GIS tools for Wildlife Habitat Connectivity, Suitability, and Occurence Modeling

Did you know there is a plethera of FREE, that's right I said FREE, ArcGIS tools and toolboxes available for wildlife habitat and corridor modeling? Conveniently, many of these tools are listed on the CorridorDesign website:

http://www.corridordesign.org/designing_corridors/resources/gis_tools/

Happy Modeling!