Table 3. Average, Maximum, and Minimum Percentages of Food Residues in Pellets Collected at Wintering Crow Roosts in the Western Part of the Study Area—1952-53-54.

Dec. 28-Jan. 11Aug. 24-Sept. 6Sept. 7-20Oct. 5-18Nov. 16-29Dec. 14-27Dec. 28-Jan. 10Feb. 8-21
Number of pellets 62 5 38 65 56 22 96 32
No. of Collections 1 1 1 13 1 1 1
wheat6.9 62.8 14.6 22.7 2.2 3.3 2.8
(100-10)(99-35)(90-10)(90-10)(95-10)(90-30)(50-10)
sorghum29 1 22.4 31.2 41.2 42.5 32.4 21.6
(100-5) (5)(95-5)(100-10)(100-5)(100-5)(100-10)(100-10)
sunflower seed 26.3 3.3 5.0 26.9 22.0 32.4 21.6
(90-5) (95-5) (60-10) (95-3) (90-5)(100-5)(80-10)
corn 11.4 19.0 12.4 4.5 14.011.4 14.1 1.2
(100-10)(40-15) (95-5) (85-30)(100-5)(100-10)(100-5)(20-10)
oats14.1 4.9 5.7 5.5 4.6 37.2
(100-10) (80-15) (70-5) (75-5) (95-5)(100-10)
brome grass 1.4 .1
(85) (10)
Other Grass 9.4 3.2 4.0 15.7 8.8 6.3
(95-5) (80-20)(90-10) (95-10)(100-10)(50-20)
grape trace .1
(2) (10)
pokeberry .4 .5
(15) (30-2)
spurge .4 .2
(25) (10-1)
ragweed .1 .5 .2
(5) (10-5) (5)
misc. plant 1 .8 .8 .2
(50-1) (30) (80-2) (3-2)
TOTAL PLANT 99.5 82.8 53.9 72.4 94.1 97.197.4 97.4
grasshopper .1 6.0 8.9 10.5 1.4 .5 .3
(5) (30) (30-5) (70-5)(15-5) (15-5) (5)
beetle .1 9 17.8 12.1 1.7 .9 .4.9
(5)(15-10) (95-2) (80-3)(15-2) (10-5) (10-5) (10-5)
ant14.9 3.4
(95-73) (85-5)
crayfish.7 .8 .5
(10-5) (50) (50)
snail.1 .1 .1
(5) (5) (5)
fish.1 .1
(5) (5)
snake 1.8.9
(60-5) (20)
eggshell.3.4.61.1
(10-5) (10) (10-5) (20-5)
mammal 2 2.2 1.9 .8 2.4 .7 .4 .3
(10-5) (5-1)(20-5) (10-5)(60-5) (10-5) (10-5) (10)
TOTAL ANIMAL .5 17.2 46.1 27.6 5.9 2.9 2.6 2.6