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Old 12-20-2012, 05:03 PM   #1
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2012's Noteworthy Species - Introductions and Forever Farwells

Researchers described roughly 15,000 to 18,000 new species in 2012, making choosing the most noteworthy a monstrous task. “[It’s] worse than asking me which of my children is my favorite,” quipped Quentin Wheeler, an entomologist at Arizona State University, in an email to The Scientist. Wheeler and his colleagues at the International Institute for Species Exploration will eventually publish a top ten list of this year’s new species, but the ranking criteria “are as diverse as the species themselves,” he said.

Some of this year’s new species were encountered by researchers deep in the field. Others were recognized from museum specimens—long after the “new” species themselves had gone extinct, noted Benoît Fontaine, a conservation biologist at the Muséum National d'Histoire Naturelle in Paris. Even so, cataloging new species is an important task, said Fontaine. “We know only small part of extant biodiversity,” he noted. “It’s the tip of iceberg.”

In celebration of biodiversity, here a few of 2012’s most exciting new species, and a fond farewell to a few more.

One of the newly identified species of slow loris, Nycticebus kayan.

The discovery of primate species that are new to science is quite rare, but this year researchers described at least two. Researchers from the United States and United Kingdom stumbled across a previously unrecognized species of slow loris (Nycticebus kayan), small nocturnal primates related to lemurs, while surveying slow lorises in Borneo and the Philippines. Like its relatives, the new species has endearingly wide eyes and small statures—but extremely poisonous bites. Slow lorises lick a toxin-secreting gland on their arm to create venomous saliva, which they use to deter predators. Unfortunately, slow lorises are popular in the pet trade. To keep future owners safe, their captors often remove the loris’s fangs, but this usually ends in the primate’s death, as they can no longer feed properly.

A lesula monkey, Cercopithecus lomamiensis.

The sleepy-eyed lesula (Cercopithecus lomamiensis) was also officially added to the books in 2012. Well-known to locals near its Congo forest home, the lesula is only the second monkey species in its genus. The animal is light in color, making it easily distinguishable from its closest relations, the dark-furred owl-faced monkeys. John Hart of the Lukuru Wildlife Research Foundation and the Yale Peabody Museum of Natural History, who described the species in PLOS ONE, said the first lesula example his team studied was being kept as a pet by a schoolteacher’s daughter. When investigating the nearby forest, the group “expected to find something unusual, maybe a range extension [of a known species],” Hart explained. “But we were never prepared to find a new species.”

Though humans don’t farm or mine the forest, lesulas are threatened by the bush meat trade. Having depleted richer sources of bushmeat, hunters will travel “hundreds of kilometers” to hunt monkeys, Hart said. Smoked bushmeat is then sold in urban centers, where many people have no other protein options. But recognition of the lesula as a new species may aid conservation efforts, he added.

Distinctive genitalia. Juvenile Brookesia micra.

For some animal species, their genitalia are the best way to identify them. Scientists described a new species (Phallostethus cuulong), belonging to the priapum fish family, whose penises erupt from their chins. This bizarre method of identification is the best for Madagascar’s miniature Malagasy leaf chameleons, which can be distinguished by subtle differences in the shape of their hempenes, the reproductive organs held inside their body until mating. But the newest—and tiniest—member, called Brookesia micra, can be easily identified without getting too intimate. B. micra is about an inch long with “a very, very short tail. The tail has even sometimes a reddish color. It’s totally unique,” said Miguel Vences, a zoologist at the Technical University of Braunschweig in Germany, who led the study identifying the miniscule critter.

World's tiniest fly, Euryplatea nanaknihali.

This year also saw the discovery of the world’s tiniest fly, identified by entomologist Brian Brown at the Natural History Museum of Los Angeles County. Nearly microscopic at less than half a millimeter in length, Euryplatea nanaknihali—named for a young entomology enthusiast who often visits Brown’s museum—belongs to a group of flies that parasitize ants. Brown, who first spotted the fly in an insect trap in Thailand, knew at first sight that E. nanaknihali was unusual. It is a “very odd” looking fly, said Brown, having “a rounded teardrop shape that makes it hard to grab, and short stubby broad wings a smoky grey in color. . . . Most people would probably think it’s a beetle.”

The tiny fly belongs to a group that lays their eggs in an ant’s head. As the fly larvae develop, they feed on the ant’s tissue until “the ant’s head falls off, sometimes as its body is still walking around,” Brown said.

New lion on the block. Addis Ababa lion.

In another boon for biodiversity, researchers confirmed this year that a population of Ethiopian lions with a unique dark mane are indeed genetically distinct from other lions in other areas. Descended from a founder population collected by Emperor Haile Selassie in 1948, the lions are known to scientists from the Addis Ababa Zoo, though reports of dark-maned lions in the wild also exist.

Researchers used the sequence of the mitochondrial cytochrome b gene and various microsatellites to ascertain that the dark-maned lions are genetically separate from other lions. The news has already given the lions a boost, said Susann Bruche, a biologist at Imperial College London and first author of the paper. Zoo officials have raised money for a better lion enclosure, based on natural habitats, which will give the lions more space to breed and maintain their population.

A few goodbyes

Copper-striped blue-tailed skink.

The International Union for Conservation of Nature, which puts out the Red List assessing species’ extinction risks, lists 795 species as extinct. But each year, often due to human encroachment, that list grows. Hawaii, the poster child for the havoc wreaked by invasive species—and the heroic efforts to combat them—announced the local extinction of the copper-striped blue-tailed skink this year, possibly due to torment by predatory ants. Luckily, blue-tailed skink populations persist on other Pacific Islands.

Japan announced the extinction of the Japanese river otter, an iconic creature not seen for more than 30 years. Japan’s Ministry of Environment also declared several other species extinct, including the least horseshoe bat.

Lonesome George.

And finally, the Galápagos’s Lonesome George, the long-lived Pinta Island giant tortoise believed to be the last of his kind, died this summer. More than 100 years old, Lonesome George was introduced to several female tortoises in hopes of producing hybrids, but the eggs laid never hatched. But amidst the sorrow of his passing, some scientists retain hope. New work by evolutionary biologist Adalgisa Caccone at Yale University suggests that a few Pinta Island tortoises may still exist—and be successfully hybridizing with the locals—at Volcano Wolf on nearby Isabela Island. Caccone and her colleagues compared the DNA of more than 1,600 Volcano Wolf tortoises to a DNA database of extinct tortoises collected from museum specimens, and discovered that 17, including some juveniles, had DNA from C. abingdoni ancestors.

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Old 12-20-2012, 06:15 PM   #2
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you can so see evolution with that second monkey
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Old 12-20-2012, 06:36 PM   #3
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lesulas look so weird. up there with the snub nosed monkeys
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Old 12-20-2012, 06:44 PM   #4
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Originally Posted by murd0c View Post
you can so see evolution with that second monkey

Evolution indeed...
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Old 12-20-2012, 07:36 PM   #5
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Old 12-20-2012, 11:42 PM   #6, helping ugly ppl have sex since 2001
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I say this was a pretty noteworthy:

New species of snake discovered in Brazil looks like penis - AOL Travel UK

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Old 12-21-2012, 01:49 AM   #7
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