Mammals of the Yukon Territory

This document is copyrighted material. Alaska Resources Library and Information Services (ARLIS) is providing this excerpt in an attempt to identify and post all documents from the Susitna Hydroelectric Project. This book is identified as APA no. 3170 in the Susitna Hydroelectric Project Document Index (1988), compiled by the Alaska Power Authority. It is unable to be posted online in its entirety. Selected pages are displayed here to identify the published work. The book is available at call number QL721.5.Y8Y68 in the ARLIS Susitna collection. uew6unoA. ·V\1 d!ll!4d AJO:).!JJ9J. uo>tnA. a4:,. JO s1ewweiN ...______ Contents list of Figures, 6 list of Maps, 7 list of Tables, 11 Resume, 14 Summary, 15 Pe310Me, 16 Biographical Note, 17 Acknowledgements, 18 Introduction, 19 History of Mammalogy in the Yukon, 21 Materials and Methods, 23 Environmental Influences, 25 Geography, 25 Climate, 26 Vegetation, 27 Cenozoic History, 28 Discussion, 30 The Beringian Refugium, 31 Southern Unglaciated North America, 32 Influences from Other Refugia, 33 Checklist of the Mammals of the Yukon, with Page Numbers for Locating Species and Subspecies, 35 Key to Orders of Recent Yukon Mammals, 39 Accounts of Species and Subspecies, 41 Hypothetical list, 175 Type Localities of Mammals in the Yukon, 177 References Cited, 179 Index, 190 5 List of Figures Frontispiece Chestnut-cheeked voles, Microtus xanthognathus 1 The Arctic Coastal Plain, 25 2 The Arctic Mountains province, British Mountains, 26 3 The northern plateaus province, Ogilvie Mountains, 26 4 Ventral views of auditory ossicles of three specimens of Sorex, 40 5 Old mounds of Spermophilus parryii plesius, near Tagish, 71 6 Hay pile (Hedysarum sp.) of Microtus miurus, 104 7 Skull of Rangifer tarandus caribou, 164 8 Skull of Rangifer tarandus groen!andicus, 1 64 6 List of Maps 1 Physiographic provinces of the Yukon, 25 2 Retreat of Wisconsin ice, glacial maximum, ca. 1700-1500 years B.P., 29 3 Beginning of deglaciated corridor between Cordilleran glacial complex and Keewatin glacier, ca. 12,300 B.P., 29 4 Deglaciated corridor open between Beringia and region south of drift border, ca. 12,200 B.P., 30 5 Wide deglaciated corridor open, ca. 9500 B.P., 31 6 Approximate ranges of nine postglacial immigrants with limited ranges in the Yukon, 32 Distribution Maps 7 Screx cinereus, 42 8 Sorex arcticus arcticus, 45 9 Sorex tundrensis, 45 10 Sorex obscurus obscurus, 50 11 Sorex pa/ustris navigator, 50 12 Microsorex hoyi intervectus, 52 13 Myotis lucifugus pernox, 53 14 Ochotona princeps col/aris, 55 15 Lepus americanus dal/i, 57 16 Eutamias minimus borealis, 62 17 Marmota monax ochracea, 64 18 Marmota caligata caligata, 66 7 ----------- ----------------------------. List of Maps 19 Spermophilus parryii, 70 20 Tamiasciurus hudsonicus preblei, 73 21 Glaucomys sabrinus sabrinus, 77 22 Castor canadensis canadensis, 77 23 Peromyscus maniculatus, 79 24 Neotoma cinerea occidentalis, 83 25 Clethrionomys rutilus dawsoni, 86 26 Phenacomys intermedius mackenzii, 88 27 Microtus pennsylvanicus drummondii, 89 28 Microtus oeconomus macfarlani, 93 29 Microtus longicaudus vellerosus, 97 30 Microtus xanthognathus, 98 31 Microtus miurus, 1 02 32 Ondatra zibethicus spatulatus, 1 06 33 Lemmus sibiricus, 1 07 34 Synaptomys borealis borealis, 11 2 35 Dicrostonyx torquatus, -11 5 36 Zapus hudsonius hudsonius, 11 9 37 Zapus princeps salta tor, 11 9 38 Erethizon dorsa tum myops, 1 20 8 List of Maps 39 Canis latrans latrans, 126 40 Canis lupus, 126 41 Vulpes lagopus lagopus, 129 42 Vulpes vulpes alascensis, 132 43 Ursus americanus americanus, 1 33 44 Ursus arctos, 1 36 45 Ursus maritimus maritimus, 139 46 Martes americana actuosa, 140 47 Martes pennanti columbiana, 143 48 Mustela erminea, 143 49 Mustela nivalis eskimo, 146 50 Mustela vi son 14 7 51 Gulo gulo luscus, 150 52 Lontra canadensis pacifica, 152 53 Felis concolor, 1 53 54 Felis canadensis canadensis, 1 53 55 Odocoileus hemionus hemionus, 160 56 Alces alces gigas, 161 57 Rangifer tarandus, 163 58 Oreamnos americanus columbiae, 1 68 9 List of Maps 59 Ovibos moschatus moschatus, 1 69 60 Ovis nivicola, 1 70 10