FEATURES a Bird in the Hand 19 Bird of the Month
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Number 572, May 2010 Bloodroot (Sanguinaria canadensis), photographed by Heidi Holmes REGULARS FEATURES Coming Events 25 A Bird in the Hand 19 Extracts from Outings Reports 6 Bird of the Month From the Archives 23 18 In the News 21 – Eastern Kingbird Keeping in Touch 16 Legal Protection of Wildlife 7 Monthly Meetings Notice 3 Monthly Meeting Report 5 Membership Renewal 27 President’s Report 4 Nominating Committee Report 20 TFN Outings 8 Toronto’s “Wild Columbine” Weather – This Time Last Year 24 17 and Some Relatives TFN 572-2 Toronto Field Naturalist May 2010 Toronto Field Naturalist is published by the Toronto Field BOARD OF DIRECTORS Naturalists, a charitable, non-profit organization, the aims of President Wendy Rothwell which are to stimulate public interest in natural history and Past President Pinky Franklin to encourage the preservation of our natural heritage. Issued Vice President Bob Kortright monthly September to December and February to May. Sec.-Treasurer Karen Walton Views expressed in the Newsletter are not necessarily those Communications Alexander Cappell of the editor or Toronto Field Naturalists. The Newsletter is Monthly Lectures Nancy Dengler printed on 100% recycled paper. Outings Margaret McRae Webmaster Lynn Miller ISSN 0820-636X Marcus Feak Elisabeth Gladstone Barry Mitchell Corley Phillips IT’S YOUR NEWSLETTER! We welcome contributions of original writing, up to 500 MEMBERSHIP FEES words, of observations on nature in and around Toronto, $30 STUDENT, SENIOR SINGLE (65+) reviews, poems, sketches, paintings, and photographs of $40 SINGLE, SENIOR FAMILY (2 adults, 65+) $50 FAMILY (2 adults – same address, children included) TFN outings (digital or print, include date and place). Include your name, address and phone number so No GST. Tax receipts issued for donations. Send submissions can be acknowledged. Send by mail or email. membership fees and address changes to the TFN office. Deadline for submissions for September issue: August 6. Please note: TFN does not give out its membership list. NEWSLETTER COMMITTEE Toronto Field Naturalists Jenny Bull (co-editor), Karin Fawthrop, Nancy Fredenburg, 2 Carlton St., # 1519, Toronto M5B 1J3 Elisabeth Gladstone, Mary Lieberman, Ruth Munson, Toshi Oikawa, Wendy Rothwell (co-editor). Tel: 416-593-2656 Web: www.torontofieldnaturalists.org Printing and mailing: Perkins Mailing Services Email: [email protected] White admiral butterfly, photographed by Margaret McRae May 2010 Toronto Field Naturalist TFN 572-3 TFN MEETING Sunday, May 2, 2010 at 2:30 pm THE APPALACHIANS AND THEIR MARGINS Peter Money, TFN member, retired geologist, nature photographer and amateur naturalist will take us from coastal Labrador to northernmost Florida, exploring the fauna, flora and natural environments VISITORS WELCOME! SOCIAL: 2:00 – 2:30 pm Room 001, Emmanuel College, University of Toronto, 75 Queen’s Park Cres. East Emmanuel College is just south of the Museum subway station exit (east side of Queen’s Park). Enter at south end of building, down a few steps on outside stairwell. Wheelchair entrance: Second door south on Queen’s Park. Elevator inside to the right. Room 001 is one floor below street level. For information: call 416-593-2656 up to noon on the Friday preceding the lecture. 2010-2011 LECTURE SERIES Sept. 12 The Piping Plover Project of Southern Ontario Stewart Nutt, Coordinator of the Project in Sauble Beach Oct. 3 Thinking Big About Ecosystems, Evolution and Life John & Mary Theberge, Wildlife ecologists Nov. 7 From Prickly Pears to Polar Bears: A Look Behind the Scenes of the ROM’s Biodiversity Gallery Deb Metsger, Assistant Curator, Natural History, Royal Ontario Museum Dec. 5 Spiders of Ontario Tom Mason, Curator of Invertebrates and Birds, Toronto Zoo Feb. 6 Beyond Fur, Feathers & Flowers: the Underworld of Fins & Filter Feeders Shawn Staton, Team Leader, Species at Risk Program, Fisheries & Oceans Canada Mar. 6 Tallgrass Prairie and Savannah Habitats of Southern Ontario Gavin Trevelyan, Eastern Coordinator for Tallgrass Ontario Apr. 3 The Earth on Display: a Toronto View Ed Freeman, Geologist and TFN member May 1 Ontario’s Far North Justina Ray, Executive Director, Wildlife Conservation Society Canada TFN 572-4 Toronto Field Naturalist May 2010 PRESIDENT’S REPORT It has been customary for the TFN to hold its Annual our computer, will continue to work with Karen. General Meeting at our September Monthly Meeting. Thank you, Louise, for your efficient and dedicated This necessitated publishing the audited financial support, which is greatly appreciated. statements in the September newsletter, printed early in In addition to her Secretary-Treasurer responsibilities, August, and it has sometimes proven difficult to meet Corley has been maintaining our computerized this deadline. The Board has therefore decided that, membership database. As we enter the busiest time of from now on, we will hold the AGM at our October year for membership renewals, we need a volunteer Monthly Meeting. Please see the Nominating with basic data-entry skills to assist Nancy Fredenburg. Committee’s report on page 20. If you can help, please contact the TFN office by I am sorry to announce that Heide Tonna, who joined phone or e-mail (see page 2 for contact information). the TFN board in September, has resigned. We thank If you visited the TFN booth at Canada Blooms or The Heide for her contribution, assisting with financial Green Living Show, or attended Ontario Nature’s administration, and wish her well in her retirement. Green Tea, you will have seen the beautiful promotional For the past 5 years, we have been privileged to have video created for us by Lynn Miller. All the nature Corley Phillips serving as our Secretary-Treasurer. I photographs in the video are by talented TFN cannot speak too highly of the excellent job she has members. We are grateful to Lynn and our done for us, ensuring the accurate accounting of our photographers for providing this effective new way to finances, doing the government filings required of a attract new members. charitable organization and providing helpful invest- A projector has been purchased with some of the ment advice. Her knowledge, wisdom and hard work bequest money recently received. I would like to thank are greatly appreciated, and we are very sorry that she several members for submitting good ideas for the finds it necessary to relinquish these responsibilities, as effective use of bequests and donations, as requested in she and her husband will shortly be moving to Europe. my March report. We are continuing to investigate The Board is happy to welcome Karen Walton as a various options, and will keep you informed. new Board member, and to appoint her to the position As you can see, our Outings Committee (Margaret of Secretary-Treasurer. Karen has been a TFN McRae, Gail Gregory and Charles Bruce-Thompson) member since July 2008, and frequently brings her son have outdone themselves in providing a great variety and daughter on TFN outings as she is eager for them of walks for us to enjoy during spring and summer. to share her love of nature. Her accounting experience We thank all the dedicated outings leaders who make includes 13 years bookkeeping for a church organiza- this possible. I hope many of you will get out and tion in Mexico, taking accounting software courses at enjoy nature in Toronto. Seneca College and currently bookkeeping on a volunteer basis for a home school education group. We Please be sure to renew your TFN membership in feel that Karen is well qualified to take on this role, good time, so as not to miss your September and are grateful to her for volunteering. newsletter (see page 27). Wendy Rothwell We are happy that Louise Dixon, who has been assisting Corley by entering accounting transactions on Thanks! … to members who sent articles, letters, news, reviews, reports, poems, artwork and photographs for the 2009-2010 newsletters. and to members of the Newsletter Committee for your good work and commitment to getting the newsletter out to our members. Don’t forget to keep the newsletter in mind when you’re on summer outings! We look forward to receiving your contributions for next season’s issues (see page 2). Editors May 2010 Toronto Field Naturalist TFN 572-5 MONTHLY MEETING REPORT Disturbing the Disturbed: Using Biological Control to Recover our Invaded Forests Sunday, April 11. Sandy Smith, Dean of Forestry, University of Toronto Sandy’s enthusiasm for her subject matter was parasitoids means they can be used when needed, infectious. Her primary message was that careful making them more effective. research and time are necessary and that native controls may be preferable to foreign ones. For today’s Classical biological control involves going back to the lecture, Sandy defined invasive as “exotic, alien and country of origin and trying to find a species that is the non-native.” Even though some native species can be natural enemy of the alien here. Sandy prefers to focus invasive, that was not the topic for today. on native biological controls. She points out the need to be careful and understand the nature of the threat Invasive species hitchhike into our local scene via before we apply solutions. airplane travel and/or the transportation of goods by ship or other means. If they encounter a climate similar Sandy spoke of their work on the Haliburton Forest to one they left behind, they can grow and even thrive. and Wildlife Reserve where they did some research in Intentional introductions can come as landscaping or the canopy and found new species. They determined gardening material – e.g. the harmonia ladybird beetle. that the communities on the ground and in the canopy The unintentional introductions – e.g. zebra mussels – were different. Another example of biodiversity is that can enter our habitat via trade through ballast, of decaying wood; the older the decaying wood, the dunnage, wrapping material and the products greater the diversity of the community.