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Thursday 20 December 2012

12 AMAZING SPECIES DISCOVERED IN 2012


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12 Amazing Species Discovered in 2012
By Andrea Thompson,
Our Amazing Planet, 19 December 2012.

New Discoveries

There are millions of species on Earth, but science has identified just a fraction of them. This year, various scientists around the world announced the discoveries of myriad species that had previously gone unnoticed, including a chameleon big enough to perch on the head of a match and a strange creature named for the Star Wars character Yoda.

Read on to find out more about these fascination creatures and how scientists found them.

1. Teeny tiny frog

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Yes, that's a dime that frog is sitting on. The miniature amphibian (given the scientific name Paedophryne amanuensis), is reportedly the world's smallest vertebrate (the category of animals that have backbones). It was discovered the tropical rainforest of Papua New Guinea in 2009, but was only described in a scientific journal earlier this year. Scientists found it because of the high-pitched, cricket-like sound it made, according to the scientists that found it.

2. Itty Bitty Chameleon

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Continuing with the Lilliputian discoveries, this chameleon - discovered on a tiny island off Madagascar - is small enough to perch on the head of a match (or a human finger, as in the picture above). Brookesia micra is the smallest known chameleon species and was one of four tiny chameleon species announced by a group of researchers earlier this year. The researchers warned that the species are threatened because of habitat loss and deforestation.

3. Acorn Worm Named After Yoda

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Strange, this creature looks. Named after Yoda, it is. The reddish-purple acorn worm was found about 1.5 miles (2.5 kilometres) beneath the surface of the Atlantic Ocean. The lips on either side of its head region reminded its discoverers of the "Star Wars" character Yoda, and so it was dubbed Yoda purpurata, or "purple Yoda." Deep sea acorn worms leave spiral traces of poop that resemble crop circles.

4. Long-legged arachnid

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This isn't your average household daddy long leg. With a whopping 13-inch (33 centimetres) leg span, this arachnid is the largest harvestman ever found. Harvestman is another term for daddy longlegs, a type of arachnid commonly mistaken as a spider. The spindly creature was found in the caves of the Southeast Asian country of Laos during the filming of a TV show.

5. Mouse lemur

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This little primate, about the size of a hamster, was found hiding among a dozen other lemur species in the rainforests of Madagascar. Named Microcebus gerpi, it is nocturnal and sticks to the lowland areas of the rain forest. The lowland areas of the rainforest that the mouse lemur inhabits aren't protected and are continually under threat from humans.

6. Reddish-purple crabs

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This brilliant purple crab was one of four new riotously coloured crab species discovered near the Philippine island of Palawan and announced last spring. The four species, part of the genus Insulamon, are endemic to the area, meaning they are found nowhere else. They are threatened though, by mining activity in the region, which is one of the world's major biodiversity hotspots.

7. Meat-eating sponge

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One of the weirder-looking new species discoveries announced this year, this carnivorous deep sea sponge is shaped like a candelabra. It was first spotted by a remotely operated vehicle in the ocean off California's Monterey Bay in 2000; scientists later retrieved two of the sponges and got 10 hours of video of the creatures. The sponges use Velcro-like hooks on their branches to snag crustaceans floating by on ocean currents. The insights scientists gleaned into the sponge's life cycle were published this fall.

8. 'Bumblebee' Gecko

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It may have the black-and-yellow stripes of a bumblebee, but this gecko is all lizard. The species (Nactus kunan) was discovered in Papua New Guinea. It's colouring, along with a row of nodules on its skin, help the bumblebee gecko blend in on the forest floor. A genetic analysis of the species showed that it was one that hadn't been described by science before.

9. Matilda's Horned Viper

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Like the bumblebee gecko, this snake, a type of bush viper, has a striking black and yellow colouring, as well as hornlike scales above its eyes. Found during a biological survey in Tanzania, its discoverers are keeping its exact location a secret to keep it from falling prey to the illegal pet trade. The snake's habitat, thought to be only a few square miles of remote forest, is affected by logging and other human practices.

10. 'Extinct' Galapagos Tortoise

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This species wasn't so much discovered as re-discovered. Thought to be extinct for 150 years, the giant tortoise Chelonoidis elephantopus was found to in fact be alive and well when scientists analyzed the genome of a related species that lives on the same island where C. elephantopus was last spotted. They found markers of the C. elephantopus genetic code in the other species that was introduced recently enough that some of the C. elephantopus could still be alive. Researchers hope to find the hidden population and regenerate the species.

11. Bright Red Bird

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The Sira barbet (Capito Fitzpatrick) was spotted with its brilliant scarlet markings was discovered high in the cloud forest of Peru during a 2008 expedition. Described in a journal earlier this year, the bird is named for a renowned ornithologist and is spotted mostly pairs while looking for food in the low canopy of the forest.

12. Squat lobster

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In the underwater mountains of the coast of Spain, this crustacean, called a squat lobster, was found in August 2011 and announced as a new species this summer. The crustacean actually has more in common with hermit crabs than true lobsters and is only a little over 2 inches (5 centimetres) long. The creature is most closely related to a species in the Caribbean Sea, and the researchers said that both species likely invaded the Atlantic Ocean from the Pacific and Indian oceans a few million years ago.

[Source: Our Amazing Planet. Edited.]


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