This layer displays the number of threatened and endangered species in each county. Additional layers are available for the type of species, such as plants, animals, invertebrates, and more!

The Environmental Conservation Online System (ECOS) is a gateway web site that provides access to data systems in the U.S. Fish and Wildlife Service (Service) and other government data sources. This central point of access assists Service personnel in managing data and information, and it provides public access to information from numerous Service databases.