News tagged with extinction

Surprising species shake-up discovered

(Phys.org) —The diversity of the world's life forms—from corals to carnivores—is under assault. Decades of scientific studies document the fraying of ecosystems and a grim tally of species extinctions ...

May 08, 2014
4.4 / 5 (14) 8

Reef fish arrived in two waves

(Phys.org) —The world's reefs are hotbeds of biological diversity, including over 4,500 species of fish. A new study shows that the ancestors of these fish colonized reefs in two distinct waves, before ...

Apr 10, 2014
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Extinctions reduces speciation

The same factors that increase the risk of species extinctions also reduce the chance that new species are formed. This is concluded by two biologists at Umeå University. Their findings are published in ...

Apr 04, 2014
3.8 / 5 (5) 1

Sobering update on Jamaica's largest vertebrate

In 1990, the Jamaican iguana was removed from the list of extinct species when a small population was re-discovered on the island. Unfortunately, the species continues to be critically endangered, with only a single location ...

Apr 01, 2014
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Counting calories in the fossil record

Starting about 250 million years ago, at the end of the Permian period, brachiopod groups disappeared in large numbers, along with 90 percent of the planet's species. Today, only a few groups, or genera, ...

Mar 26, 2014
4.5 / 5 (2) 0