Canada uses drones to drive away geese

Canada's capital has ordered drone strikes to rid a popular Ottawa beach of pesky geese that dirty the waters with fecal matter, demonstrating on Wednesday how it works.

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.

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