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Science Coronavirus Coverage What families can do now that kids are getting the vaccine. Magazine How one image captures 21 hours of a volcanic eruption. Science Why it's so hard to treat pain in infants. Under the ESA, species may be listed as either endangered or threatened. The chart below includes all the animals currently listed under the ESA.
Please see the key below for an explanation of the abbreviations used in the chart. Last updated January List of Endangered Species. Sperm Whale. Bengal Tiger. Northern White Rhinoceros. African Wild Dog. Asian Elephant. Black-Footed Ferret. A century ago, more than , orangutans lived in our world, but their numbers have now dropped by around half. Logging, forest fires, fragmentation, and especially the removal of tropical forests for palm oil, all critically threaten the orangutan's survival.
Hunting and illegal pet trade have also dwindled numbers. Over , Bornean orangutans still live in the wild, and can be found in both Malaysian and Indonesian Borneo.
There are just 14, Sumatran orangutans left, naturally living on the Indonesian island of Sumatra. The rarest of all is the newly-discovered Tapanuli species, with just left in the wild.
If you're lucky, you'll also be able to spot Tapanuli orangutans in the Batang Toru eco-system of Sumatra's north. As of late , their habitat is under serious threat by the build of a controversial new hydropower plant, near the Batang Toru River. In between 26, and 43, female sea turtles nest annually; a dramatic decline from the estimated , in Young turtles are incredibly vulnerable and sadly, very few make it to adulthood.
Birds and small mammals often dig up turtle nests in order to eat the eggs. Once they've hatched, birds and crustaceans pick them off before they can make it to the sea, and fish, squid and octopuses often prey on them if they do manage to make it into the water. The Mayumba National Park beaches in Gabon host the largest nesting population on the African continent. April is the time to visit, when around 30, turtles descend on the park's beaches to lay their eggs.
The wild snow leopard population is estimated to be between 4, to 6, The species is threatened by herders who kill snow leopards to prevent them from preying on their livestock. Poachers, and a significant decrease in the leopards' wild prey, are also an issue.
The leopards also descend from the high valleys of Ladakh in February, in India's Hemis National Park, in search of prey. The irrawaddy dolphin is classed as endangered by the ICUN , and it's little wonder. Reports as of suggest there might be less than left, making them an incredible sighting in the wild. If you were hoping to spot this playful-looking mammal in its natural home, you'd be heading off to the south of Asia. Indeed, the irrawaddy dolphin may be best spotted by travellers in the Mekong, as they're known to live and swim in miles of the river between Laos and Cambodia.
Here, 92 individuals have been accounted for. Bluefin tuna swimming. Did you know Atlantic bluefin tuna are the largest kind? Bluefin tuna numbers have declined at a staggering rate over the last 40 years.
Overfishing is the main cause for the destruction of this species due to their commercial value as food. They have been heavily targeted for the Japanese fish market, where they are highly sought-after for sushi and sashimi. However, farming is the most serious threat to the species, as the tuna are taken from the wild before they are old enough to reproduce.
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