TABLE OF CONTENTS 



ABSTRACT jjj 



ACKNOWLEDGMENTS v 



INTRODUCTION 1 



METHODS 2 



RESULTS AND DISCUSSION 4 



Species Present on the Sioux District, Custer National Forest 7 



Long-eared Myotis (Myotis evotis) 7 



Western Small-footed Myotis (Myotis ciliolabrum) 9 



Little Brown Myotis (Myotis lucifugus) 11 



Long-legged Myotis (Myotis volans) 13 



Fringed Myotis (Myotis thysanodes) 15 



Silver-haired Bat (Lasionycteris noctivagans) 17 



Big Brown Bat (Eptesicus fuscus) 19 



Hoary Bat (Lasiurus cinereus) 21 



Townsend's Big-eared Bat (Plecotus townsendii) 23 



Species Not Located but Potentially Present on the Sioux District, Custer National 



Forest 24 



Northern Long-eared Bat (Myotis septentrionalis) 24 



Red Bat (Lasiurus borealis) 24 



Spotted Bat (Euderma maculatum) 24 



RECOMMENDATIONS 26 



BIBLIOGRAPHY 27 



APPENDIX Bl. Field forms used in bat inventories 31 



APPENDIX B2. Sites surveyed for bats on the Sioux District, Custer National Forest ... 36 



APPENDIX B3. Locations of bat species detected during 1994 field survey 38 



APPENDIX B4. Known distribution of bat species on the Sioux District 41 



