‘Trike’ is killing Europe’s greenfinches (Image: Anna Yu/Photodisc/Getty)
Editorial: Garden bird feeders on trial
EACH year, millions of people stack their garden bird feeders with seeds and nuts to help birds survive the winter. But as valuable as they are to many species, for a minority of songbirds in Europe and North America bird feeders appear to be a death trap.
Little is known about the impact of bird feeders on wild populations, and some ornithologists liken them to a global experiment in manipulating nature. “We should have a huge amount of data, but we don’t,” says …
