Research in UK shows invasive species bests native red squirrels in complex tasksThe ability to solve problems may explain why grey squirrels are thriving at the expense of native red ones in the UK, research suggests.Wild greys and reds were presented with an easy task (opening a transparent lid) and a difficult version (a more complex process of pushing and pulling levers) to get hazelnuts. Continue reading...
Problem-solving could be key to grey squirrels' success, study finds
20. února 2018 7:31
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Zdroj: The Guardian