Fort Snelling

Twin Cities, Minnesota 55111

AN EXPERIMENTAL TRANSLOCATION OF
THE EASTERN TIMBER WOLF

THOMAS F. WEISE
Department of Biology
Northern Michigan University[1]
WILLIAM L. ROBINSON
Department of Biology
Northern Michigan University
RICHARD A. HOOK
Department of Biology
Northern Michigan University
L. DAVID MECH
Endangered Wildlife Research Program
U. S. Fish & Wildlife Service[2]

[1] Marquette, Michigan 49855

[2] Division of Cooperative Research, Patuxent Wildlife Research Center, Laurel, Md. 20810. Mailing address: North Central Forest Experiment Station, Folwell Ave., St. Paul, MN. 55101.

TABLE OF CONTENTS

[FOREWORD]Inside front cover
[ABSTRACT]Back side of title page
[INTRODUCTION][1]
[THE STUDY AREA][2]
[METHODS][4]
[RESULTS][8]
Social Structure of the Translocated Wolves[8]
Aerial Tracking[10]
Movements of the Translocated Wolves[11]
Post-Release Phase[11]
Directional Movement Phase[11]
Exploratory Phase[11]
Settled Phase[11]
Movements of the Remaining Pack Member[11]
Movements of Wolf No. 10[12]
Feeding Habits[16]
Citizen Sightings[17]
Habitat Use[19]
Failure of Female No. 11 to Whelp[19]
Demise of the Translocated Wolves[19]
[DISCUSSION][21]
Effect of Captivity and Human Contact[21]
Movements[22]
Environmental Influences[22]
Possible Homing Tendencies[22]
Distances Traveled[23]
Home Range Size[25]
Selection of a Territory[25]
Vulnerability and Mortality[25]
Food Habits and Predation[26]
An Alternate Approach[26]
[CONCLUSIONS][26]
[ACKNOWLEDGMENTS][27]
[LITERATURE CITED][27]

ABSTRACT

Two male and two female eastern timber wolves (Canis lupus lycaon), live-trapped in Minnesota were released in March 1974 near Huron Mountain in the Upper Peninsula of Michigan. Their movements were monitored by aerial radio-telemetry.