_Table 1.--Sizes of wolf population units observed in northeastern Minnesota_
+------------------+-------------------------------------------+ | | Wolf observations | |Population unit[3]+----------+----------+----------+----------+ |(number of wolves)| Winter | Winter | Total |Winters[4]| | | 1966-67 | 1968-69 | | 1948-53 | +------------------+----------+----------+----------+----------+ | # % # % # % # % | | 1 8 31 17 33 25 32 48 43 | | 2 3 12 6 12 9 12 24 22 | | 3 3 12 2 4 5 6 7 6 | | 4 -- -- 7 14 7 9 7 6 | | 5 2 7 4 8 6 8 8 7 | | 6 3 12 4 8 7 9 7 6 | | 7 2 7 1 2 3 4 4 4 | | 8 3 12 3 6 6 8 3 3 | | 9 -- -- 2 4 2 3 3 3 | | 10 2 7 2 4 4 5 -- -- | | 11 -- -- -- -- -- -- -- -- | | 12 -- -- 1 2 1 1 1 1 | | 13 -- -- 2 4 2 3 -- -- | | --------------------------------------------+ |Total number | | of wolves 109 -- 214 -- 323 -- 318 -- | |Total number | | of observations 26 -- 51 -- 77 -- 112 -- | |Mean population | | unit size 4.2 -- 4.2 -- 4.2 -- 2.8 -- | +--------------------------------------------------------------+
[3] Because wolf packs sometimes split temporarily, these figures may not strictly represent actual pack sizes; nevertheless they should provide reasonably accurate approximations.
_Table 2.--Background information on five radiotagged wolves studied in northeastern Minnesota_
--------:---------:-------:--------:--------:-------:-------:----------- Wolf :Estimated: Usual :Location: Date : Last : Days : General --------:weight[5]:associ-:captured:captured: date :located: condition # :Sex:(pounds) :ations : : :located: : ----:---:---------:-------:--------:--------:-------:-------:----------- #
1051 M 75 None[6] T62N-R7W Nov. Apr. 84 Good, but two -S18 27/68 24/69 toes frozen in trap; animal limped lightly for 5-6 wks.
1053 F 60 None T62N-R8W Dec. Aug. 72 Thin; top of -S13 10/68 29/69 foot cut in trap but no broken bones or frozen toes; limped for at least 10 wks.
1055 F 60 Another T61N-R10W Jan. May 65 Thin; two toes wolf -S26 5/69 30/69 lightly frozen; intermit- no limp ever tently noticed.
1057 F 60 Pack of T66N-R5W Jan. Apr. 47 Thin; front 13[7] -S33 8/69 24/69 foot frozen in trap; lost use of foot and could not stay with pack.
1059 F 65 Pack T62N-R11W Jan. Aug. 51 Good but thin; of 5 -S26 22/69 29/69 captured in snare; no apparent injury. ----:---:---------:-------:--------:--------:-------:-------:-------------