News tagged with zebra

Earthworm invasion

Beavers reshape landscapes with their dams. Wolves control elk populations. Sea otters protect kelp forests by eating sea urchins. These are what ecologists call "keystone" species: critters that control ...

dateSep 12, 2013 in Ecology
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A chimp-pig hybrid origin for humans?

(Phys.org) —These days, getting a Ph.D. is probably the last thing you want to do if you are out to revolutionize the world. If, however, what you propose is an idea, rather than a technology, it can still ...

dateJul 03, 2013 in Plants & Animals report
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Fraternal singing in zebra finches

The song of songbirds is usually transmitted from one generation to the next by imitation learning and is thought to be similar to the acquisition of human speech. Although song is often learnt from an adult ...

dateJun 12, 2013 in Plants & Animals
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Alien invaders get a bad press

A new study, published in Acta Oecologia, says many of the most damning claims about invaders are not backed up with hard evidence. This might be skewing priorities when it comes to dealing with them.

dateJun 10, 2013 in Ecology
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