Are wolves fish friends or foes?
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Keeping deer and elk in check results in better fish habitat. But wolves are also known to fish during spawning runs.
butterflies
Mowing milkweed means more monarchs
The monarch butterfly might be on the decline, but a little milkweed-whacking can help get them back on their feet, experts say.
Climate
Canadian study: Wide water level swings, erratic snowfall in store for Great Lakes
The first comprehensive look at climate change impacts on Canada says the country is warming twice as fast as much of the rest of the world.
Birds
Chicago a bird death trap of glass and light
People might think that a larger city like New York would be guilty of more bird-window collisions than Chicago, but an unfortunate combination of building structures and geographical placement proves to be deadlier than size.