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Ecological collapse of Toronto's ravine system has begun, researcher saysRavines in Toronto, Ontario, Canada 4 Nov 2018 
CBC News
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Flying Ants Invade MoscowMoscow, Moscow, Russia 19 Jul 2018
The Moscow Times
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Mountain pine beetle takes over Jasper National Park forestsJasper National Park, Alberta, Canada 16 Jul 2018
Edmonton Journal
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Caterpillar InfestationHoly Cross, Alaska, United States 22 Jun 2016 |
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Bullfrogs threaten B.C. ecosystemsSouthwestern British Columbia 21 Jul 2015
Canadian Geographic
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Tent Caterpillar InfestationWoodford, Ontario 20 May 1998 |
Observations From Members