Having a bird feeder seems to increase risk of birds dying by flying into your window
Feeders lead birds to 22M fatal window collisions a year in Canada: survey
University of Alberta biology students did a survey of 1,458 urban and rural homeowners in the Edmonton area, and found 39 per cent of their homes had been hit by birds over one year. More than a third of the birds died.
That’s equivalent to about 180,000 birds killed each year in Edmonton, the students calculated. They worked out that if all homes in Canada had birds flying into them at the same rate, it would kill 22 million birds each year.
That’s a rough number, as the students haven’t compared how environments across the country could differ from Edmonton’s.
Still, the students noticed a surprising trend: A major factor in window collisions was the presence of a bird feeder.
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