1886 4 minutes read August 17, 2016 More Birds, Less Birds? Extinction or Expansion? Billions of birds nest and raise their young in Canada and the majority are migratory. By 2010, bird species spending the entire year in Canada increased in population on average….. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window) Read More