Biology_of_Mustelids_Vol_1.pdf

TABLE 1.
Data on food of ermine
Material
Food remains identified
Date of Trapping No. of Empty Partly Water rats Small mouse- Jarboa Hamster
guts filled like rodents
examined No. % No. % No. % No. %
November 1936 130 106 24 11 45.8 13 54.2
December 1936 252 178 74 37 50.0 34 45.9 2 2.8 1 1.3
January 1937 293 260 33 22 66.0 7 21.2 2 6.1 2 6.1
February 1937 109 104 5 it 80.0 1 20.0
March 1937 14 11 3 1 33.4 2 66.5
Total for season 798 659 139 75 54.0 57 41.0 4 2.9 3 2.1
0
.-
.-
November 1937 179 124 55 42 76.3 13 23.7
December 1937 231 131 58 56 71.8 22 28.2
January 1938 201 133 71 58 81.7 13 18.3
February 1938 20 11 9 6 66.6 3 33.4
Total for season 631 419 212 161 76.0 51 24.0
Grand total 1429 1078 351 236 67.0 108 31.0 4 1 .1 3 0.9