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An endangered species is a type of organism that is threatened by extinction. Species become endangered for two main reasons: loss of habitat and loss of genetic variation. Loss of Habitat. A loss of habitat can happen naturally. Nonavian dinosaurs, for instance, lost their habitat about 65 million years ago.
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An endangered species is any species that is at risk of extinction because of a rapid decrease in its population or a loss of its critical habitat.
What role does human activity play in causing species to become endangered?
Roughly 99 percent of threatened and endangered species are at risk because of human activities. The principal threats are habitat loss and degradation, the spread of invasive species, the growing influence of global warming, chemical pollution, unsustainable hunting, and disease.
What organizations determine which organisms are endangered species?
Among the organizations connected with assessing which organisms are endangered species are the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the Convention on the Conservation of Migratory Species of Wild Animals (CMS), and the Red List of Threatened Species, created by the International Union for Conservation of Nature (IUCN).
endangered species, any species that is at risk of extinction because of a sudden rapid decrease in its population or a loss of its critical habitat. Biodiverse regions that require protection on the grounds that they host a significant number of endangered species are called hot spots.
Roughly 99 percent of threatened species are at risk because of human activities alone. By the early 21st century it could be said that human beings (Homo sapiens) are the greatest threat to biodiversity and are the major drivers of biodiversity loss. The principal threats to species in the wild are:
1.Habitat loss and habitat degradation
2.The spread of introduced species (that is, non-native species that negatively affect the ecosystems they become part of)
3.The growing influence of global warming and chemical pollution
4.Unsustainable hunting
5.Disease
- Javan Rhinos. Once found throughout south-east Asia, Javan rhinos have suffered a staggering decline in their numbers due to hunting and habitat loss.
- Amur Leopard. The Amur leopard is one of the rarest big cats in the world, with only around 100 individuals left in the wild. Although their wild population seems to be stable and increasing, these leopard subspecies are still critically endangered since 1996.
- Sunda Island Tiger. The Sunda Island tiger, or the Sumatran tiger, is the smallest tiger subspecies in the world, weighing up to 140kg. For reference, the tigers that live in the Amur region are the biggest of all the big cats where males can weigh up to twice as much as Sunda Island tigers.
- Mountain Gorillas. The Mountain gorilla is a subspecies of the eastern gorilla, which lives in two isolated populations in the high-altitude forests up in the volcanic, mountainous regions of the Democratic Republic of Congo, Rwanda and Uganda, and in the Bwindi Impenetrable National Park of Uganda.
- Bengal Tigers. Scientific Name: Panthera tigris tigris (Subspecies) Location: India, Burma, Bangladesh, Bhutan, and Nepal. How Many Are Left: 3,900. There may be less than 3,900 Bengal Tigers left in the wild.
- Bornean Orangutans. Scientific Name: Pongo pygmaeus. Location: South East Asian Islands. How Many Are Left: 104,700. Bornean Orangutans are an endangered species that has declined rapidly.
- Blue Whales. Scientific Name: Balaenoptera musculus. Location: Oceans except the Arctic. How Many Are Left: 10,000 to 25,000. The majestic blue whale is the largest animal on earth.
- Ivory-Billed Woodpeckers. You may also like: 10 Strongest Animals on Earth (With Pictures) Scientific Name: Campephilus principalis. Location: Southeastern United States & Cuba.
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. Endangered species may be at risk due to factors such as habitat loss, poaching, invasive species, and climate change .
But what, exactly, does it mean for a species to be endangered? Let’s start with the basics. A species can be an animal, a tree, a coral, a fungus, an insect, or any number of other life forms on this planet (including humans).
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Why do species become endangered?
The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct .
