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"Spirobranchus giganteus" OR Serpulidae
Latest news
Thursday 21st January 2010: 365 days of biodiversity.
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Latest from ARKive
New images of the silky sifaka from Kevin Schafer.
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Images of the Critically Endangered shasta crayfish.
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Stunning images of the olive baboon.
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Fascinating footage of blue-cheeked bee-eater courtship.
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Images of the fluffy-backed tit-babbler.
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Featured endangered species
A renowned conservation success, there are now two thriving populations of the Chatham Island black robin.
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Now only known from captive populations, the last wild Spix's macaw hasn't been seen since the end of 2000.
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Humpbacks received full protection from whaling in 1966 and their populations have since recovered strongly.
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Classified as Extinct in the Wild, the Hawaiian crow or Alala is the most threatened corvid in the world.
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Thanks to a successful captive-breeding programme the black-footed ferret's population is now recovering.
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Known only from the Dlinza forest in South Africa, the Dlinza pinwheel is extremely vulnerable to habitat change.
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Although increasing kakapo numbers are encouraging, intensive conservation efforts are still critical for this parrot.
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Four out of six island fox subspecies have declined by up to 95% since 1994, resulting in the species CR status.
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The Antiguan racer has been saved from extinction by eradicating introduced mammals from its habitat.
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With only 2% of its former habitat remaining, the gharial teeters on the brink of extinction in the wild.
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