Articles
Hunting Methods and Success Rates of Gyrfalcons, Falco rusticolus, and Prairie Falcons, Falco mexicanus, Preying on Feral Pigeons (Rock Doves), Columba livia, in Edmonton, Alberta — DICK DEKKER and JIM LANGE	395
Biodiversity of Adult Damselflies (Zygoptera) at Eastern Ontario Gravel Pit Ponds — P.M. CATLING and V.R. BROWNELL	402
String and Net-Patterned Salt Marshes: Rare Landscape Elements of Boreal Canada — KEVIN P. TIMONEY	406
Predation on Nesting Woodpeckers in British Columbia — ERIC L. WALTERS and EDWARD H. MILLER	413
Timing of Pregnancy, Lactation, and Female Foraging Activity in Three Species of Bats in Southern Illinois — GEORGE A. FELDHAMER, TIMOTHY C. CARTER, and STEVEN K. CARROLL	420
Breeding Bird Declines in the Boreal Forest Fringe of Western Canada: Insights from Long-term BBS Routes — ENID E. CUMMING, KEITH A. HOBSON, and STEVEN L. VAN WILGENBURG	425
The Spring and Fall Migrations of Scoters, Melanitta spp., at Confederation Bridge in the Northumberland Strait between New Brunswick and Prince Edward Island — PETER HICKLIN and KATHERINE BUNKER-POPMA	436
New Plant Records for Prince Edward Island — KATE MACQUARRIE and HEIDI SCHAEFER	446
Status of the Deltoid Balsamroot, Balsamorhiza deltoidea (Asteraceae) in Canada — GEORGE W. DOUGLAS and MICHAEL RYAN	451
Status of Scouler's Corydalis, Corydalis scouleri (Fumariaceae) in Canada — GEORGE W. DOUGLAS and JUDY A. JAMISON	455
Status of the Purple Sanicle, Sanicula bipinnatifida (Apiaceae), in Canada — JENIFER L. PENNY and GEORGE W. DOUGLAS	460
Status of Snake-root Sanicle, Sanicula arctopoides (Apiaceae) in Canada — MARTA T. DONOVAN and GEORGE W. DOUGLAS	466
Spatial Scales of Trapping in Small-mammal Research — JEFF BOWMAN, CRISTINE V. CORKUM, and GRAHAM J. FORBES	472
Diets of Nesting Boreal Owls, Aegolius funereus, in Western Interior Alaska — JACKSON S. WHITMAN	476
Influence of Predation on Piping Plover, Charadrius melodus, and Least Tern, Sterna antillarum, Productivity along the Missouri River in South Dakota — CASEY D. KRUSE, KENNETH F. HIGGINS, and BRUCE A. VANDER LEE	480
Population Status of Shorebirds Nesting at Churchill, Manitoba — JOSEPH R. JEHL, JR., and WINLI LIN	487
Grizzly Bear, Ursus arctos, Usurps Bison Calf, Bison bison, Captured by Wolves, Canis lupus, in Yellowstone National Park, Wyoming — DANIEL R. MACNULTY, NATHAN VARLEY, and DOUGLAS W. SMITH	495
Notes
An Observation of a Mallard, Anas platyrhynchos, Feeding on a Wood Frog, Rana sylvatica — BRIAN R. EATON and ZACHARY C. EATON	499
First Record of an Anomalously White Killer Whale, Orcinus orca, Near St. Lawrence Island, Northern Bering Sea, Alaska — SUZANN G. SPECKMAN and GAY SHEFFIELD	501
Evidence for Double Brooding by a Mallard, Anas platyrhynchos, in Eastern South Dakota — JOSHUA D. STAFFORD, LESTER D. FLAKE, and PAUL W. MAMMENGA	502
Opportunistic Foraging at American Elk, Cervus elaphus, Droppings by Clark's Nutcracker, Nucifraga columbiana — PAUL HENDRICKS and LISA N. HENDRICKS	505
Gillnet Survival and Healing by a Porbeagle, Lamna nasus — GEORGE W. BENZ, ANDY KINGMAN, and JOANNA D. BORUCINSKA	506
Hyperthermia Induced Mortality of Gravid Snapping Turtles, Chelydra serpentina, and Eggs in a Wood Chip Pile — SHANE R. DE SOLLA, DOUGLAS CAMPBELL, and CHRISTINE A. BISHOP	510
A Significant New Record of the Pygmy Shrew, Sorex hoyi, on the Montana-Alberta Border — PAUL HENDRICKS	513
Observation of a Golden Eagle, Aquila chrysaetos, Attack on a Harlequin Duck, Histrionicus histrionicus, in Northern Labrador — JOEL P. HEATH, GEOFF GOODYEAR, and JOE BRAZIL	515
Tributes
A Remembrance of John Clifton Ward, 1921-1999 — DONALD R. FLOOK and JOSEPH E. BRYANT	517
Book Reviews
Zoology: Cuckoos, Cowbirds and Other Cheats — The Nature of Hummingbirds: Rainbows on Wings — Albatrosses — The Nature of Frogs: Amphibians With Attitude — Gatherings of Angels: Migrating Birds and their Ecology — Kingbird Highway: The Story of a Natural Obsession that Got a Little Out of Hand — Reproductive Biology of Bats	520
Botany: Phycology — Algae	526
Environment: Something New Under the Sun: An Environmental History of the Twentieth-Century World — You Are the Earth, From Dinosaur Breath to Pizza from Dirt — The Alvars of Ontario: Significant Alvar Natural Areas in the Ontario Great Lakes Region	527
Miscellaneous: The Essential Aldo Leopold: Quotations and Commentaries	530
New Titles	531
Minutes of the 122nd Annual Business Meeting of the Ottawa Field-Naturalists' Club, 9 January 2001	534
News and Comment
Froglog: Newsletter of the Declining Amphibian Populations Task Force (45, 46) — Marine Turtle Newsletter (93) — Canadian Species at Risk May 2001 — Recovery: June 2001 Amphipacifica: Journal of Aquatic Systematic Biology 3(1) 16 May 2001 — Alberta Wildlife Status Reports: (32 to 36) — Point Pelee Natural History News 1(2) Summer 2001 — 82nd Annual Meeting of the American Society of Mammalogists	541

ISSN: 0008-3550