North American bird population drops by three billion
The last 50 years have taken their toll on North American bird populations.
“We have lost a third of our bird population,” Conservation Director with Nature Saskatchewan, Lorne Scott told paNOW.
Scott explained over the last half century habitat loss, collisions with windows, predation from wild and domestic cats as well as other factors have taken population numbers from 10 billion to 7 billion. Of the 29 per cent general decline, grassland species were especially hard hit with a 53 per cent decrease.
“We just don’t know the total value but we do know birds perform a very important role,” he noted. “Birds like swallows, which are in serious trouble, they consume a lot of flying insects.”