Anchorage Daily News: Climate-induced changes in vegetation are also altering the summer habitat of Alaska birds, and while some species may thrive amid the change, others won’t, reported Matt Kirchhoff, director of bird conservation at Audubon Alaska. One example from the study, which drew on 40 years of data from the annual Audubon Christmas Bird Count, is the American robin. It’s now wintering — on average continent-wide — more than 200 miles farther north than it used to in the 1960s. While …