Creator: Illinois Endangered Species Protection Board
Effective date: May 28, 2020.

Links to each state agency responsible for enforcement of state endangered species laws, and summaries of criteria under state statutes, statutory citations. From Michigan State University Animal Legal and Historical Center.

The North American Native Fishes Association provides a useful directory of sources of governmental information about endangered and threatened species of fish in Canada, Mexico, and each State in the United States.

View lists of all threatened and endangered plants and animals, or search the "Species Reports" for information about any species, including those that are not listed.

The Natural Resources Conservation Service allows searching by plant family, plant genus, and/or state. The database provides access to information about state and federally protected plants.

Profiles for plant listed as threatened or endangered by the U.S. Fish & Wildlife Service (USFWS), under the Endangered Species Act (ESA); and/or a plant must be ranked as Critically Imperiled by NatureServe; that is, ranked as G1 and/or T1 using NatureServe's ranking criteria. Find profiles by state or by National Forest or National Grassland in which they occur.

NOAA Fisheries has jurisdiction over 163 endangered and threatened marine species (79 endangered; 84 threatened), including 65 foreign species (39 endangered; 26 threatened).

Species-based fact sheets summarizing information about certain listed species, to support implementation of requirements under the order and stipulated injunction issued in the lawsuit against EPA by the Center for Biological Diversity in the San Francisco Bay Area.

The International Union for Conservation of Nature and Natural Resources is the worlds main authority on the conservation status of species. The Redlist database contains comprehensive information about threatened and endangered species worldwide.

The Threatened Species dataset from the online library of the Organisation for Economic Co-operation and Development provides species counts by country, major taxonomic group, and categories (endangered, critically endangered, vulnerable, and threatened).

Designed to assist with implementing multilateral environmental agreements (MEAs). Species+ provides a centralised portal for accessing key information on species of global concern. Developed by the United Nations Environment Programme World Conservation Monitoring Center (UNEP-WCMC) and the Convention on International Trade in Endangered Species (CITES) Secretariat.

"The UNEP World Conservation Monitoring Centre provides information for policy and action to conserve the living world." Their programs concentrate on species, forests, protected areas, marines, mountains, and freshwaters, among other subjects.

A database documenting trade in species listed in the Appendices of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Filter by importing or exporting country, source, purpose and dates. Data can be viewed as HTML or exported as CSV.

NatureServe Explorer provides free access to conservation status, taxonomy, broad-scale distribution, and life history information for more than 95,000 plants, fungi, and animals in the United States and Canada, and more than 10,000 ecosystems in the Western Hemisphere.

WildFinder was a tool for information about threatened and endangered species. Although the tool was retired in 2018, the data is still available. WildFinder is hosted by World Wildlife Fund, the largest NGO dedicated to the preservation of pant and animal species.