a legal blog that discusses the Endangered Species Act

works for nature conservation at a national level within Spain; focusing upon protection of endangered wildlife species (most importantly, the Cantabrian brown bear) in the Cantabrian mountain range

official blog of Virunga National Park, Democratic Republic of Congo, documenting their efforts to protect the gorillas

works to conserve reptiles and the natural habitats and ecosystems that support them

photo archives documenting the bushmeat crisis in Africa by Karl Ammann, a wildlife photographer and a leader in the campaign

a report about the Save Ontario's Species Campaign to improve Ontario's Endangered Species Act; provides others seeking to improve environmental laws and policies with the benefit of the insights and lessons learned by those who were involved in this successful initiative (pdf)

a searchable inventory on the conservation status of species on a global scale

encourages action to protect the orangutan and its habitat

initially worked to breed falcons in captivity to be released in the wild to re-establish the Peregrine in the eastern US, and now works with other raptors as well

dedicated to studying, preserving and maintaining the habitats of the least known and most endangered primates in the world

a network of scientists and conservationists who stand against the tide of extinction which threatens humanity’s closest kin

works to ensure a viable population of tiger in India and to preserve tiger habitat

comprehensive assessment by the IUCN of the conservation status of the world's known species of frogs, toads, salamanders, and caecilians

provides information on red squirrel conservation, monitoring and reintroduction; a highly endangered native species of the United Kingdom

dedicated to supporting the conservation of Asia’s remaining wild tigers

gateway to information and documents relating to the endangered species in Canada

an examination of how lack of enforcement of CITES and other wildlife trade regulations has made Thailand the center for illegal trade and smuggling of threatened species of wildlife

monitors and investigates wildlife and endangered species trade, helping to ensure that trade in wildlife is at sustainable levels and in accordance with domestic and international laws and agreements

describes rare and threatened tree species native to the eastern United States, and provides information about growing them

news, information and recovery status reports run by the U.S. Fish and Wildlife Service

World Land Trust builds environmental awareness and raises funds to protect endangered habitats

from the International Union for Conservation of Nature and Natural Resources, a report that describes the Red List of Threatened Species as a call to action in the drive to tackle the extinction crisis, providing essential information on the state of, and trends in, wild species (pdf)