News tagged with food source

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Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, ...

Apr 10, 2013 3.8 / 5 (6) 0 | with audio podcast

Ants pay high price for night life

(Phys.org) —Despite being night creatures, Australian bull ants have trouble finding their way home in the dark. Scientists at Australia's Vision Centre (VC) have found that bull ants that travel at night ...

May 28, 2013 5 / 5 (5) 0 | with audio podcast