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Why the urban squirrel crossed the road

Red squirrel - perhaps trying to decide whether to cross the road?

City life is hectic. For red squirrels, there are typically few trees, which means that the animals need to cross roads. This picture shows one of the roads in our study area



(and yes, they even crossed this one on several occasions without being killed!)

During routine movements inside their home range, however, squirrels are located further from roads and cross them less frequently. This implies that the evaluation of the role of roads as barriers for e.g. gene flow cannot be based on the interpretation of movements of non-dispersers only.

14.12.2015, Karen Fey
Article in Behavioral Ecology

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