The World Wildlife Fund includes chimpanzees, jaguars and penguins as endangered species, as of 2015. Polar bears and tigers are also among the species of animals that qualify as endangered.
Chimpanzees face threats from poaching and disease. Ebola outbreaks have killed thousands of great apes, while the bushmeat trade continues to threaten their existence, as of 2015. Jaguars have seen their numbers decline because of numerous factors, including habitat loss due to deforestation and hunting.
Penguins and polar bears face a different kind of threat. The Antarctic Peninsula, where many species of penguins live, has seen a dramatic rise in average temperature due to climate change. The melting sea ice they rely on for survival is melting, denying them areas to breed and access food. Polar bears spend most of their lives on the sea ice of the Arctic Ocean, and while they spend much time searching for food, only two percent of hunts are successful. Many species of tiger are considered endangered, including the South China Tiger, which is critically endangered due to hunting. They have not been sighted in the wild for over 25 years.