Articles
Great Horned Owl, Bubo virginianus, predation on Richardson's Ground Squirrels, Spermophilus richardsonii — GAIL R. MICHENER	543
Inability to predict geographic origin of Yellow-headed Blackbirds, Xanthocephalus xanthocephalus, during migration — DANIEL J. TWEDT, GEORGE M. LINZ and WILLIAM J. BLEIER	549
Review of the status of the Northern Abalone, Haliotis kamtschatkana, in Canada — G.S. JAMIESON	555
Rare and endangered fishes and marine mammals of Canada: COSEWIC Fish and Marine Mammal Subcommittee Status Reports XIV — R.R. CAMPBELL	564
Status of the Morrison Creek Western Brook Lamprey, Lampetra richardsoni, in Canada — R.J. BEAMISH, J.H. YOUSON, and L.A. CHAPMAN	573
Status of stickeback species pair, Gasterosteus spp., in Hadley Lake, Hasqueti Island, British Columbia — TODD HATFIELD	579
Status of the stickleback species pair, Gasterosteus spp., in the Vananda Creek watershed of Texada Island, British Columbia — TOM HATFIELD	584
Status of the stickleback species pair, Gasterosteus ssp., in Paxton Lake, Texada Island, British Columbia — TOM HATFIELD and JAUNITA PTOLEMY	591
Rapport sur la situation du Brochet d'amérique, Esox americanus americanus, au Canada — STEPHANIE LACHANCE	597
Status of the Weed Shiner, Notropis texanus, in Canada — J. HOUSTON	608
Status of the Bridle Shiner, Notropis bifrenatus, in Canada — E. HOLM, P. DUMONT, J. LECLERC, G. ROY, and E.J. CROSSMAN	614
Status of the Mira River population of Lake Whitefish, Coregonus clupeaformis, in Canada — CHERYL D. GOODCHILD	623
Updated status report on the endangered Atlantic Whitefish, Coregonus huntsmani — THOMAS A. EDGE and JOHN GILHEN	635
Status of the Grey Seal, Halichoerus grypus, in the Northwest Atlantic — VÉRONIQUE LESAGE and MIKE O. HAMMILL	653
Status of Harbour Seals, Phoca vitulina, in Canada — ROBIN W. BAIRD	663
Status of Killer Whales, Orcinus orca, in Canada — ROBIN W. BAIRD	676
Book Reviews
Zoology: Birder's Mexico — The Destruction of the Bison — Prairie Birds: Fragile Splendor in the Great Plains — Ecology and Management of Large Mammals in North America — Handbook of Birds of the World: Volume 6 Mousebirds to Hornbills — Threatened Birds of the World — Research Techniques in Animal Ecology, Controversies and Consequences — The Sibley Guide to Birds — Ecotravellers' Wildlife Guide to Ecuador and its Galapagos Islands — Belize and Northern Guatemala: The Ecotravellers' Wildlife Guide — Millions of Monarchs, Bunches of Beetles: How Bugs find Strength in Numbers — Behaviour and Conservation Biology Series 2 — Turtle Conservation — The Pheasants of the World: Biology and Natural History Second Edition — The Biology of Plethodontid Salamanders — Birds of Europe — Hoofed Mammals of British Columbia — Swallow Summer	702
Botany: Flora of New Brunswick Second Edition — Flora of Florida, Volume 1 Pteridophytes and Gymnosperms — Plant Life Histories: Ecology, Phylogeny and Evolution — Flora of Mount Rainier National Park — The Flora of Manitoulan Island and the Adjacent Islands of Lake Huron, Georgian Bay and the North Channel, Third Edition	718
Environment: Food Webs and Container Habitats: The Natural History and Ecology of Phytotelmata — The Friendship of Nature, A New England Chronicle of Birds and Flowers — Earth Future: Stories from a Sustainable World — Vanishing Borders: Protecting the Planet in the Age of Globalization — Pandora's Poison: Chlorine, Health, and a New Environmental Strategy	721
Other Titles	725
The Ottawa Field-Naturalists' Club Awards April 2001	728
News and Comment
Froglog: Newsletter of the Declining Amphibian Populations Task Force (47, 48) — Marine Turtle Newsletter (94) — Point Pelee Natural History News 1(3), 1(4) — Canadian Species at Risk November 2001 — Renew (Recovery of Nationally Endangered Wildlife) Report 11: 2000-2001 Annual Report — Amphipacifica: Journal of Aquatic Systematic Biology 3(2) 15 November 2001 — Conserving Borderline Species: A Partnership between the United States and Canada	732
Index to Volume 115 — Compiled by Leslie Durocher	734
Advice to Contributors	766

ISSN: 0008-3550