Ryon, J. C. 1977. Den digging and related behav- 

 ior in a captive timber wolf pack. J. Mammal. 

 58(l):87-89. 



Schenkel, R. 1947. Expression studies of wolves. 

 Behavior 1:81-129. 



Stebler, A. M. 1944. The status of the wolf in Mi- 

 chigan. J. Mammal. 25:37-43. 



Stenlund, M. H. 1955. A field study of the timber 

 wolf (Cams lupus) on the Superior National 

 Forest, Minnesota. Minn. Dep. Cons. Tech. 

 Bull. 55 pp. 



Thompson, D. Q. 1952. Travel, range, and food 

 habits of timber wolves in Wisconsin. J. Mam- 

 mal. 33(4):429-442. 



Weise, T. F., W. L. Robinson, R. A. Hook, and L. 

 D. Mech. 1975. An experimental translocation 

 of the eastern timber wolf. Audubon Conser. 

 Rep. 5 in cooperation with U.S. Dep. Inter., 

 Fish Wildl. Ser. Region 3. 28 pp. 



Wolfe, M. L. 1977. Mortality patterns in the Isle 

 Royale Moose Population . Am. Midi. Nat. 

 97(2):267-279. 



Wolfe, M. L., and D. L. Allen. 1973. Continued 

 studies of the status, socialization, and rela- 

 tionships of Isle Royale wolves, 1967 to 1970. 

 J. Mammal. 54(3):61 1-635. 



Young, S. P., and E. A. Goldman. 1944. The 

 wolves of North America. 2 vols. Am. Wildl. 

 Inst., Washington, D.C. 636 pp. 



Zimen.E. 1975. Social dynamics of the wolf pack. 

 Pages 336-363 in M. W. Fox, ed. The wild ca- 

 nids. Van Nostrand Reinhold Co., New York. 

 508 pp. 



PREPARED/UPDATED BY 



National Fish and Wildlife Laboratory 

 412 N.E. 16th Avenue, Room 250 

 Gainesville, Florida 32601 



11 



