Vol. 139 No. 2 (2026)

• Cover

  Dwayne Lepitzki

  DOI: https://doi.org/10.22621/cfn.v139i2.3701

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Articles

• The freshwater mussel (Bivalvia: Unionidae) assemblage of the Mississagi River, Ontario: a stronghold for the federally Endangered Hickorynut (Obovaria olivaria)

  Kelly A. McNichols-O’Rourke, Mandy P. Gibson, Keith Sayers, Todd J. Morris

  85-100

  DOI: https://doi.org/10.22621/cfn.v139i2.3439

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  • Supplementary Materials: Figures S1-S9
  • Supplementary Materials: Table S1

• Pilfering of North American Red Squirrel (Tamiasciurus hudsonicus) middens by Northern Flying Squirrel (Glaucomys sabrinus) during spring and summer is unlikely

  Julien W.F. Gullo, Dexter Hodder, Karl W. Larsen

  109-114

  DOI: https://doi.org/10.22621/cfn.v139i2.3555

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• Arbuscular mycorrhizal fungal establishment in cordgrasses (Sporobolus spp.) at restored and natural Bay of Fundy salt marshes

  Kendra Sampson, Jeremy Lundholm, Danika van Proosdij, Allison K. Walker

  115-125

  DOI: https://doi.org/10.22621/cfn.v139i2.3557

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  • Requires Subscription Supplementary Material

• A field survey of anuran species in two boreal lakes at the Experimental Lakes Area, Ontario, Canada

  Jihyun O. Kim, Diane M. Orihel, J. Drew Thompson, Barbara A. Katzenback, Tazi H. Rodrigues, Jennifer F. Provencher

  126-140

  DOI: https://doi.org/10.22621/cfn.v139i2.3541

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  • Requires Subscription Supplementary Material

Notes

• First sighting of Purple-striped Jellyfish (Chrysaora colorata) in Canadian Pacific waters

  K.L. Flynn, J.R. King

  101-103

  DOI: https://doi.org/10.22621/cfn.v139i2.3551

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• The European terrestrial flatworm Microplana cf. terrestris (O.F. Müller, 1773) (Platyhelminthes: Geoplanidae) in a wilderness area of New Brunswick, Canada, suggests a previously unreported pathway to introduction

  Donald F. McAlpine

  104-108

  DOI: https://doi.org/10.22621/cfn.v139i2.3591

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Book Reviews

• "Beyond Equilibria: Historical Approaches to Ecology and Evolution. Oxford Series in Ecology and Evolution" by Hamish G. Spencer, 2025 [book review]

  Joel Gibson

  145

  DOI: https://doi.org/10.22621/cfn.v139i2.3692

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• New Titles

  Jessica Sims

  148-151

  DOI: https://doi.org/10.22621/cfn.v139i2.3694

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• "Raising Hare: the Heart-Warming True Story of an Unlikely Friendship" by Chloe Dalton, illustrations by Denise Nestor, 2025 [book review]

  John F. Prescott

  146-147

  DOI: https://doi.org/10.22621/cfn.v139i2.3693

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• "Victorian Nightshades: How the Solanaceae Shaped the Modern World" by Elizabeth A. Campbell, 2025 [book review]

  Randy Lauff

  144

  DOI: https://doi.org/10.22621/cfn.v139i2.3691

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• "Symbiosis: a Very Short Introduction" by Nancy A. Moran, 2025 [book review]

  Robin Collins

  141-143

  DOI: https://doi.org/10.22621/cfn.v139i2.3690

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News and Comment

• News and Comment

  Amanda E. Martin

  152-153

  DOI: https://doi.org/10.22621/cfn.v139i2.3698

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Club Reports

• The Ottawa Field Naturalists’ Club Awards for 2025, presented April 2026

  Bev McBride, Chris Archibald, Bethany Armstrong, Christine Hanrahan, Rita Kloosterman, Karen McLachlan Hamilton, Lynn Ovenden, Eleanor Zurbrigg

  169-172

  DOI: https://doi.org/10.22621/cfn.v139i2.3697

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• Annual Ottawa Field Naturalists’ Club Committee Reports for 2025

  Eleanor Zurbrigg, Emilia Michaud, Jakob Mueller, Gordon Robertson, Owen Clarkin, Ann MacKenzie, Edward Farnworth, Robert E. Lee, Lisa Chamney, Jeffery M. Saarela, Janette Niwa, Ken Young

  157-168

  DOI: https://doi.org/10.22621/cfn.v139i2.3696

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  • FY2024 OFNC Financial Statements

• Minutes of the 147th Annual Business Meeting (ABM) of the Ottawa Field Naturalists’ Club, 14 January 2026, 7:30 p.m. (draft)

  Owen Clarkin, Ken Young, Elizabeth Moore

  154-156

  DOI: https://doi.org/10.22621/cfn.v139i2.3695

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Full Issue PDF

• Full Issue PDF

  Dwayne Lepitzki

  85-172

  DOI: https://doi.org/10.22621/cfn.v139i2.3702

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