1st CALL FOR ABSTRACTS
2026 NWSGC Biennial Symposium
Spring 2026

Northern Wild Sheep and Goat Council 4 – 1984

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Proceedings of the 4th Biennal Symposium
Whitehorse, Yukon


Table of Contents

Section I – Population Dynamics

Some Population Characteristics of Dall Sheep in Six Alaska National Parks and Reserves
F. J. Singer

Investigations into Reproduction by Ewes of a Rocky Mountain Bighorn Sheep Herd in Wyoming
E.T.Thorne, Elizabeth S. Williams and G. Butler

Pregnancy Rate and the Timing of Lamb Losses in California Bighorn Sheep in the Ashnola, B.C.
W.L. Harper

Population Density of Mountain Goats in Southeast Alaska
J. L. Fox

An Age Specific Winter Die-off in Dall Sheep in Alaska
Sarah M. Watson and W. E. Heimer

The Influence of Winter Severity on Dall Sheep Productivity in Southwestern Yukon – A Preliminary Assessment
D. Burles, M. Hoefs and N. Barichello

The Influence of Climate, Habitat and Naturlal Selection on the Numbers of Feral Sheep (Ovis aries L.) on Campbell Island (Subantarctic)
M. R. Rudge

Introduced Mountain Goats in the Snake River Range, Idaho: Characteristics of Vigorous Population Growth
J. A. Hayden Section II – Ecological Relationships (seasonal distribution, food habits, behaviour)

Bighorn Sheep of the Teton Range, Wyoming: Ecology of a Remnant Population
M.B. Whitfield and B. L. Keller

Summer Distribrution and Abundance of Mountain Goats in Mt. Rainier National Park, Washington
Joanne Michalovic

Ecological Relationships between Desert Bighorn Sheep and Domestic Cattle in Southeastern Utah
M. King and G. W. Workman

A Comparison of the Biology and Impact of Feral Goats (Capra hircus L.) on Subtropical and Subantarctic Islands
M. R. Rudge

Annual Ecological Cycles of Rocky Mountain Bighorn Sheep Populations with Hight Elevation Winter Ranges in the East Kootenays
G. Schuerholz

Mineral Lick Use by Dall Sheep in the Watana Creek Hills, Alaska
Nancy G. Tankersley

Status and Food Habits of Japanese Serow
S. Takatsuki and K. Suzuki

Food Habits of Dall Sheep on Revegetated Coal Stripmine Spoils in Alaska
C. L. Elliot and J. D. McKendrick

Acooperative Nursing by Bighorn Ewes on the National Bison Range
Christine C. Hass

Section III – Growth and Development

Growth Rates of Rocky Mountain Bighorn Sheep on Ram Mountain, Alberta
J. T. Jorgenson and W. D. Wishart

Horn Growth in Dall’s Sheep: A Preliminary Report
M. B. Bayer and N. M. Simmons

Volume and Density of Horns of Dall Rams
R. Konig and M. Hoefs

Section IV – Physiology, Morphology and Nutrition

Serologic, Hematologic, and Blood Chemistry Values of Desert Bighorn Sheep in Sonora, Mexico
J. R. DeForge, C. W. Jenner, P. E. Cyrog and R. Valdez

Fecal Nirogen as a Determinant of Animal Conditions in Bighorn Sheep
D. Hebert, Joyce Hebert and M. Caskey

Feeding Habits of Mouflon (Ovis ammon musimon) and Chamois (Rupicapra rupicapra) in Relation to the Morphophysiological Adaptation of their Digestive Tracts
R. R. Hofmann

Section V – Diseases and Parasites

A Major Bighorn Sheep Die-off from Pnewmonia in Southern Alberta
D. K. Onderka and W. D. Wishart

Lamb Survival in Relation to Maternal Lungworm Load in Rocky Mountain Bighorn Sheep
M. Festa-Bianchet and Judith Samson

Section VI – Management

An Evaluation of Permit Huntin in the Southern Yukon
N. Barichello and M. Hoefs

Some Effects of a Full-Curl Law on Dall’s Sheep Management
L. Nichols

Evaluation and Management Implications of Long-term Trends in Coastal Mountain Goat Populations in Southeast Alaska
C. A. Smith

Excess Ram Mortality in a Heavily Hunted Dall Sheep Population
W. E. Heimer, Sarah M. Watson and T. C. Smith III

Comparison Between a Hunted and an Unhuted Dall Sheep Population – A Preliminary Assessment of the Impact of Hunting
M. Hoefs and N. Barichello

Mountain Goat Transplants in Alaska: Restocking Depleted Herds Mitigating Mining Impacts
C. A. Smith and L. Nichols, Jr

Section VII – Techniques

An Economic Study of Dall Sheep Hunting in Alaska: Concepts and Methods
Sarah M. Watson

A Mark-Recapture Census and Density Estimate for a Coastal Mountain Goat Population
C. A. Smith and K. T. Bovee

Experiences in Darting Dall Sheep from Helicopters in Alaska during 1983
F. J. Singer, K. R. Whitten and L. Nichols

A Preliminary Analysis of Intensive, Unreplicated Survey Data for Mountain Goat Populations in British Columbia
D. Hebert and R. Woods