. Bulletin. Natural history; Natural history. 534 Illinois Natural History Survey Bulletin Fol. 22, Art. 7 to the Gntppel Lake colony) released in southern Illinois have firmly entrenched theinsehes there. The total estimated population in the Shawnee National For- est in 1*^3^^ was 48. Thev numhered onlv 10 in December. 1035. and 25 in 1037, according: to U. S. National Forest esti- mates of furhcarint; animals in national forests. Hoiuu'll (1041) reported "about 70" beavers present in the Shawnee Na- tional Forest by 1040. They are now widely scattered and should continue to increa
. Bulletin. Natural history; Natural history. 534 Illinois Natural History Survey Bulletin Fol. 22, Art. 7 to the Gntppel Lake colony) released in southern Illinois have firmly entrenched theinsehes there. The total estimated population in the Shawnee National For- est in 1*^3^^ was 48. Thev numhered onlv 10 in December. 1035. and 25 in 1037, according: to U. S. National Forest esti- mates of furhcarint; animals in national forests. Hoiuu'll (1041) reported "about 70" beavers present in the Shawnee Na- tional Forest by 1040. They are now widely scattered and should continue to increase. TOTAL ANNUAL CATCH Probably about 058,000 individuals of our eight common furbearers are caught annually in Illinois, or 17 per square. Distribution of Predator catch. Fig. 26.—Distribution of predatory species in Illinois as indicated by fur-takers' nnonthly reports for the seasons of 1929-30, 1930-31 and 1934-35 through 1939-40. mile, amounting roughly to 9,400 per county. Individual fur-takers average about 37 animals each per year. Most of the predatory and omnivorous species are caught in the southern, south- western and western counties, fig. 26, where extensive woods or bushy areas make favorable habitats for them. Most Table 11.—Estimated average annual num- ber of common furbearers caught in Illinois beginning with the 1929-30 season and ending with the 1939-40 season (1931-32, 1932-33 and 1933-34 omitted because data for these sea- sons were not available). FURBEARER Average Annual Catch Muskrat 653,000 Possum 141,000 Skunk 58,000 Mink 56,000 Coon 32,000 Red fox 8,000 Long-tailed weasel 6,000 Gray fox 4,000 Total 958,000 of the muskrats, the state's single legally caught herbivorous furbearer, are taken in the northern counties, fig. 4. The total number of furbearers caught, so far as we are able to estimate from data collected, was about as great during the 1938-39 and 1939-40 seasons, covered by the oral survey, as during any other recent 2-year period; alth
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