Songbirds brought a loud burst of life to a British Columbia bog almost a decade ago.

“Now it’s almost silent,” said University of Western Ontario professor Liana Zanette, who studies the animals.

In the past few years, Zanette has witnessed a 70 per cent decrease in the songbird population – enough to prevent her from using that bog as a location for this summer’s research.

via Cats wreak havoc on songbirds | OurLondon.

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