Endangered SpeciesCITEMAKER > Manually Create Citations > Reference > Encyclopedia (Tick Internet Source)
"According to the International Union for Conservation of Nature and Natural Resources (IUCN), the foremost authority on species conservation status, as of 2017, over fourteen thousand species of plants and wildlife worldwide were considered either endangered or critically endangered, with a further eleven thousand regarded as vulnerable. In 2017, BirdLife International announced that 1,469 species of bird, or roughly one-eighth of all known living species, were threatened with extinction (meaning their conservation status is vulnerable, endangered, or critically endgangered, according to IUCN categories). Fish, especially freshwater fish, are among the most immediately threatened types of animals. According to the National Oceanic and Atmospheric Association (NOAA), there are approximately 2,300 marine species that are considered either threatened or endangered (according to US government categories) ... "