Barred owls arrived in the Pacific Northwest via the Great Plains, where trees planted by settlers gave them a foothold, or via Canada’s boreal forests, which have become warmer and more ...

Of the four northern owls — snowy, great gray, hawk and boreal — the great grays and the boreals proved to be the most numerous and sought by nature watchers — local or not, one large and ...

The Associated Press reports: “Barred owls arrived in the Pacific Northwest via the Great Plains, where trees planted by settlers gave them a foothold, or via Canada’s boreal forests ...

Barred owls arrived in the Pacific Northwest via the Great Plains, where trees planted by settlers gave them a foothold, or via Canada’s boreal forests, which have become warmer and more hospitable as ...