speciesism first appeared during a protest against animal experimentation in 1970. Philosophers and animal rights advocates state that speciesism plays...

A species (pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can...

Speciesism: The Movie is a 2013 documentary film by American director Mark Devries. It explores the concept and practice of speciesism, the assignment...

now known as the anti-speciesism critique. Waldau writes that this original definition of the term – in effect, human-speciesism – has been extended by...

An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction...

International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is...

An invasive species is an introduced species that harms its new environment. Invasive species adversely affect habitats and bioregions, causing ecological...

last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult...

The World Day for the End of Speciesism (WoDES) is an international event aimed at denouncing speciesism, which is discrimination against non-human animals...

the IUCN Red List of Threatened Species identified 5220 (2754 animals, 1 fungus, 2464 plant, 1 protist) endangered species, subspecies and varieties, stocks...