32 | FON News
The Pickering Airport.

35 | From Ottawa
National parks; new flood control policy.

38 | Around the Province
Non-refillable can and bottle update; parks council begins hearings, Blackstone Harbour Provincial Park; mercury pollution; Fisher Harbour proposal; Caledon official plan in preparation.


4 | Ontario’s Endangered Butterfly
By Darryl Stewart

10 | An Ecological Approach to Roadside Vegetation Management
By Richard Phillips & David Euler

14 | The Missinaibi River
By Margaret MacMillan

14 | Birds, Mostly Last Fall
By Clive E. Goodwin

16 | Ginseng — Native Plant Now Rare
By Katherine M. Lindsay & James E. Cruise

20 | Grasshoppers and Other Jumpers
By David Barr

ON Nature Magazine June 1975 cover

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.

The cost of an annual subscription is $50. If you are a senior citizen (65+) or a student, you can subscribe for a discounted rate of $40.

For just $9.95, you can purchase recent issues of our award-winning magazine. We have back issues available online dating to 1970!

For more information or to purchase a back issue, please contact Kamran Minai, at 416-444-8419 ext. 232 or

Photos © Paul Catling and John Shaw