How saber-toothed tigers acquired their long upper canine teeth

An international team led by scientists from the University of Liège has investigated the evolutionary patterns behind the development of saber teeth, with some unexpected results along the way. Their study has been published ...

'Irreplaceable' Colombian bird collection at risk

Under a cracked and leaky ceiling, Andres Cuervo works on a colorful, dead hummingbird for the ornithological collection of the National University of Colombia, the country with more bird species than any other.

Australia's most at-risk bird species share some common traits

Australian birds that live on islands are among the species most at risk of extinction, a first-of-its-kind study from The Australian National University (ANU) has shown. The study is published in the journal Emu—Austral ...

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