Threat of Extinction Looms Over Larger Species
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Being the biggest dog may pay off at feeding time, but species that grow too large may be more vulnerable to extinction, new research suggests. Over 50 million years a succession of large carnivores evolved in North America, diversified, and then died out.
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Unique and endangered wildlife living on spectacular limestone outcrops in Southeast Asia face the threat of extinction due to mining and other human impacts, according to a new study.
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More than 15,000 species, from sharks to frogs to fir trees, are facing extinction and the total is rising faster than ever before, conservationists and scientists said Wednesday.
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A new study finds more than a thousand types of plant, bird, mammal and invertebrate are now endangered.
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Rising temperatures in the Arctic will likely increase the region&#39;s biodiversity as new species are drawn to the extreme north, but in a dramatic paradox many animals unique to the region, such as polar bears, risk extinction.
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More than 15,000 species, from sharks to frogs to fir trees, are facing extinction and the total is rising faster than ever before.
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Climate change could drive many wild relatives of plants such as the potato and the peanut into extinction, threatening a valuable source of genes necessary to help these food crops fight pests and drought, an international research group reported.
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Almost 16,000 species are now threatened by extinction, according to the World Conservation Union&#39;s annual Red List released today.
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More than 16,300 species of animals and plants are on the verge of disappearing from the planet, with nearly 200 more species approaching extinction within the last year, according to the World Conservation Union&#39;s 2007 Red List of Threatened Species.
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A third of the world&#39;s amphibian species are in danger of extinction, according to the first-ever global survey of the animals.
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The global extinction crisis is worse than thought, because thousands of &quot;affiliated&quot; species also at risk do not figure in calculations.
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Man and mother nature are threatening at least six distinct species of African giraffe, which are highly endangered and could face extinction if not protected, a study warned Saturday.
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The threat to orangutans from illegal logging may be greater than has previously been predicted.
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Global biodiversity is shrinking at an unprecedented rate and the prognosis given by one of the world&#39;s leading conservation bodies, at the opening of a major environment conference here, is alarming.
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More than 6,000 species of butterflies and other insects, as well as mites, fungi and assorted unloved but important species, will also be wiped out when listed endangered species go extinct, scientists said on Thursday.
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Apes, gazelles, crocodiles, dolphins, vultures and parakeets are all in danger as the global extinction crisis escalates.
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About one third of amphibians are under threat of extinction in a new sign of the world&#39;s deteriorating environment, according to researchers who carried out a global census.