1st CALL FOR ABSTRACTS
2026 NWSGC Biennial Symposium
Spring 2026

Northern Wild Sheep and Goat Council 6 – 1988

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Proceedings of the 6th Biennal Symposium
Banff, Alberta


Table of Contents

Section 1: General

Status of Bighorn Sheep of Banff National Park
T. Skjonsberg

Status and Distribution of Rocky Mountain Bighorn Sheep in Utah
T. S. Smith et al

Foraging Behaviors Among Different Age and Sex Classes of Rocky Mountain Goats
E. Holmes

Do Persisting Matrilineal Groups Partition Resources on Mountain Goat winter Ranges?
M. A. Masteller and J. A. Bailey

Toward a Working Hypothesis for Mountain Sheep Management
W. E. Heimer

Permit Auction: The Good, The Bad, and The Ugly
G. L. Erickson

Recommendations of the Northern Wild Sheep and Goat Council Regarding the Use of Special Big-game (Governor’s) Permits for Funding Wildlife Programs

Section 2: Parasites and Diseases

The Lostine Rocky Mountain Bighorn Sheep Die-off and Domestic Sheep
V. L. Coggins

Fatal Pasteurella Hemolytica Pneumonia in Bighorn Sheep Following Direct Contact With Normal Domestic Sheep: An Experimental Study (Abstract Only)
W. J. Foreyt

A Penumonia Epizootic in Bighorn Sheep, With Comments on Preventive Management
M. Festa-Bianchet

Lungworm Surveillance in Bighorn Sheep: Possible applications for Population Density Estimates and Range Use Assessment
D. E. Worley et al

Lungworm Larvae Discharge Levels Within the Ural-Tweed Bighorn Sheep Population
C. A. Yde et al

Aspects of the Life Cycle of Protostrongulus stilesi (Nematoda, Protostrongylidae) in Bighorn Sheep With Emphasis on Environmental Influences on Excretion of Lungworm Larvae in Feces
B. Fougere-Tower and D. K. Onderka

Bronchoalveloar Lavage Technique in Bighorn Sheep: Use in Immediate Lungworm Diagnosis and Cell Function Tests
R. M. Silflow and W. J. Foreyt

Section 3: Development Impact

Seasonal and Spatial Distribution of Bighorn Sheep at an Open Pit Mining Site in the Alberta Foothills
B. MacCallum

Environmental Impact of the 1988 Winter Olympics on Bighorn Sheep of Mt. Allan
J. T. Jorgenson

Attraction of Bighorn sheep to Wellsites and Other Man-Made Mineral Licks Along the Eastern Slopes of Alberta: A Management Concern
L. E. Morgantini and E. Bruns

Behavioral Response and Habituation of Mountain Goats in Relation to Petroleum Exploration at Pinto Creek,
Alberta D. F. Penner

Bighorn Sheep Use of a Gas Wellsite During Servicing and Testing: A Case Study of Impact Mitigation
L. E. Morgantini and B. W. Worbets

Drilling in Sheep Country: Gas Development at Prairie Bluff, Alberta
A. A. Mead and L. E. Morgantini

Mountain Goat Status, Black Hills, South Dakota
T. A. Benzon and L. A. Rice

Section 4: Population Dynamics

The Bear Mountain Bighorn Sheep Transplant Research Project: A. Progress Report
T. S. Smith et al

How Much Difference Do Different Techniques Make in Assessing Bighorn Population Trends?
L. R. Irby et al

Simulated Field Test of Age and Sex Classification Criteria For Mountain Goats
B. L. Smith

Seasonal Movements and Distribution Patterns of a Reintroducted California Bighorn Sheep Herd Following Transplant in the Sierra Nevada, California
L. S. Chow and P. E. Moore

Section 5: Habitat and Nutrition

A Strategy for Prescribed Burning Bighorn Sheep Range in Winter
P. M. Woodard and T. Vannest

Design, Implementation, and Initial Response of Selected Habitat Treatments within the Ural-Tweed Bighorn Sheep Range
D. L. Young and C. A. Yde

Seasonal Food Habits of a Population of Bighorn Sheep in Northwestern Montana as Determined by Microhistologic Examination of Fecal Material G. W. Brown and C. A. Yde

Home Ranges, Habitat Use and Productivity of Bighorn Sheep in the Never-Summer Mountains, Colorado
N. Goodson and D. R. Stevens

Effect of Interspecific Disturbance on Foraging Behavior of Bighorn Sheep at a Wild Horse Range (Abstract Only)
K. P. Coates et al.

A Magnesium-Driven Hypothesis of Dall Sheep Mineral Lick Use: Preliminary Tests and Management Relevance
W. E. Heimer

Application of Remote Sensing and Terrain Modelling to the Analysis and Mapping of Dall’s Sheep Winter Habitat in the Yukon Territory (Abstract Only)
L. Crooks

Measuring Seasonal Movements of a Male Dall Sheep by Satellite Telemetry (Abstract Only)
M. C. Hanson

Section 6: Winter and Predation Impact

Snow Depth as a Likely Factor Contributing to the Decline of a Sheep Population in the Central Yukon (Abstract Only)
N. Barichello and J. Carey

The Impact of Coyote Predation on Lamb Mortality Patterns at the Junction Wildlife Management Area
D. Hebert and S. Harrison

Selective Predation by Cougar Within the Junction Wildlife Management Area
S. Harrison and D. Hebert

The Effect of Wolf Reduction on Dall Sheep Demography in the Southwest Yukon (Abstract Only)
N. Barichello and J. Carey

Factors Affecting the Population Dynamics of Mountain Goats in West-Central Alberta
K. G. Smith

Simple Methods of Comparing winter Snow Conditions on Alpine and Subalpine Ranges of Dall’s Sheep and Mountain Goats in Alaska
L. Nichols