Authors list bird and iierp spp also present. Present on the site were piles of grass and sedge cuttings at the base 

 of small shrubs and along runways; most common cuttings were CAREX SCOPULORUM. A single bog 

 lemming was captured during 140 snaptrap nights on 10-11 July 1972. Suggest threats to population may 

 include: overgrazing, compaction of snow (destroying runways and nests) by snowmobiles, and impoundments 

 which could flood the area. 



Linzey, A. V. 1983. SYNAPTOMYS COOPERI. Mammalian Species 210:1-5. 



Good summary of available information. 



Linzey, A. V. 1984. Patterns of coexistence in SYNAPTOMYS COOPERI and MICROTUS 

 PENNSYLV AMICUS. Ecol. 65:382-393. 



SYNAPTOMYS are excluded from preferred habitats by MICROTUS. The following patterns were observed: 

 1) In undisturbed sympatric populations, microhabitat partitioning was observed when habitat was marginal for 

 voles. 2) Lemming microhabitat had more trees and shrubs when voles were present. 3) If vole populations 

 declined, lemmings shifted into habitat previously occupied by voles. 4) Removal of voles from a grid resulted 

 in immediate colonization by lemmings. 5) A year following lemming removal, former lemming habitat 

 remained empty despite an increasing vole population. 6) Food of lemmings was less digestible than voles on 

 grids where both occurred. 7) When voles were removed from a grid, lemming diets became more similar to 

 voles (72 vs 37%). 



Lyon, M. W., Jr. and W. H. Osgood. 1909. Catalogue of the Type specimens of mammals in 

 the United States National Museum, including the Biological Survey Collection. U. S. 

 Natl. Mus. Bull 62. 325 pp. 



Lists the Type specimens with citations of original description, what is present in collection and the state of the 

 material. 



Manville, R. H. and S. P. Young. 1965. Distribution of Alaskan mammals. Bur. Sport Fish 

 Wildl, Circular 21 1.74 pp. 



Provides dot range map for SYNAPTOMYS BOREALIS. Describes habitat as wet tundras and sphagnum bogs, 

 occasionally dry or moist meadows. 



Martell, A. M. 1974. A northern range extension for the northern bog lemming, 



SYNAPTOMYS BOREALIS BOREALIS (Richardson). Can. Field-Nat. 88:348. 



Near Inuvik, 4 specimens (3 M, 1 F) captured in 75,000 trap-nights. 



Mead, J. I., C. J. Bell, and L. K. Murray. 1992. MICTOMYS BOREALIS (northern bog 

 lemming) and the Wisconsin paleoecology of the east-central Great Basin. Quaternary 

 Res. 37:229-238. 



Summarizes the paleo records of northern bog lemmings with a dot map and citations. Indications are that 

 the species in the Snake Range on the NV/UT border was only locally present in or near mesic spruce forest 

 habitat 24,000 to 15,000 yrs BP. 



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