Description: Endangered species are those that face a high risk of extinction in the near future. This state of threat can be caused by various factors, including habitat loss, overhunting, pollution, climate change, and the introduction of invasive species. The classification of a species as ‘endangered’ is based on criteria established by organizations such as the International Union for Conservation of Nature (IUCN), which uses a category system that includes ‘critically endangered’, ‘endangered’, and ‘vulnerable’. The conservation of these species is crucial not only for maintaining biodiversity but also for preserving the ecosystems on which other forms of life, including humans, depend. The loss of species can have cascading effects, impacting the health of ecosystems and, consequently, the quality of life for communities that rely on them. Awareness of the plight of endangered species has grown in recent decades, driving conservation efforts and protection programs worldwide.
History: The concept of endangered species began to take shape in the 20th century, particularly with the establishment of the IUCN in 1948, which created the first Red List of threatened species in 1964. This effort was part of a broader movement towards nature conservation, which intensified after the United Nations Conference on the Human Environment in Stockholm in 1972. Over the years, various laws and international treaties, such as the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), have been developed to protect endangered species.
Uses: Endangered species are the subject of various conservation initiatives aimed at protecting their habitats and promoting their recovery. These initiatives may include the establishment of nature reserves, captive breeding programs, and public awareness campaigns. Additionally, research on these species can provide valuable information about ecosystem health and the impact of human activities on biodiversity.
Examples: Examples of endangered species include the Bengal tiger, the black rhinoceros, and the vaquita. Each of these species faces specific threats that have led to their classification as endangered, and conservation efforts are underway to protect them and restore their populations.