TABLE OF CONTENTS 



LIST OF TABLES iv 



LIST OF FIGURES V 



ACKNOWLEDGEMENTS vi 



INTRODUCTION 1 



METHODS AND MATERIALS 3 



RESULTS AND DISCUSSION 4 



Surveys 4 



Flathead National Forest 4 



Kootenai National Forest 5 



Lolo National Forest 5 



Glacier National Park 6 



Breeding Chronology and Effects on Surveying ... 6 



Reproduction 12 



Capture and Marking 12 



MANAGEMENT RECOMMENDATIONS AND RESEARCH NEEDS 14 



LITERATURE CITED 17 



APPENDICES 20 



Appendix A. Data forms 20 



Appendix B. Element Occurrence Records from 1992 



surveys 23 



Appendix C. Maps of 1992 Element Occurrence Records . . 42 



Appendix D. List of Harlequin Ducks marked in 1992 . . 53 



Marten Creek, Kootenai National Forest 53 



Vermillion River, Kootenai National Forest .... 53 



Trail Creek, Flathead National Forest . 54 



Spotted Bear River, Flathead National Forest ... 54 



Glacier National Park 55 



Appendix E. Maps of locations of Harlequin Ducks 



marked in 1992 57 



in 



