5 | This Issue
Listening to butterflies: Experts can’t pinpoint exactly why butterfly populations are shifting but it should give us pause.
By Caroline Schultz
6 | Earth Watch
The reptile and amphibian atlas goes mobile; free-ranging cats run amok; introducing Sauble Dunes Nature Reserve; local food promotion in the north; Rouge Park BioBlitz.
35 | Our Member Groups
Standing guard for Thunder Bay.
37 | Ontario Nature Champions
A community with benefits.
38 | Last Word
The danger of exemptions.
By Anne Bell
16 | A Dirty Business
Residents of Oxford County are fighting a proposed landfill in a quarry near their community and protected areas full of endangered wildlife.
By Ian Merringer
On the cover
22 | All Aflutter
Butterflies are expanding their traditional ranges and using new host plants. That may sound like good news but it has scientists worried.
By Lorraine Johnson
28 | A Perilous Journey
Dozens of dams bar the path of the globe-trotting American eel. Now, Ontario scientists are helping the endangered fish make their way home.
By Ray Ford
ON Nature magazine is an award-winning quarterly that brings readers closer to nature by exploring Ontario’s natural species and spaces, and providing insight on pressing conservation issues.
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Photos © Sally Harvey, Ron Erwin and John Reaume