Tenn Coyote research on what they performed by Memphis State University. It does state that the percentage of food by volume and weight varies with individual animals and also with season and locality.
Here is a synopsis of some of their findings: I don't know how many coyotes were in this study. All coyotes in the study this is what they found in the coyotes stomachs at one time or another through out the season?


42.4 percent of the coyote stomachs contained rodent remains.
27.9 percent rabbits
24.3 percent deer
20.2 percent livestock
13 percent insects
11.9 percent nongame birds
0 percent game birds
2.2 percent reptiles and amphibians
1.1 percent shrews
.04 percent opossum
31.5 percent persimmon
21 percent other vegetation
16.7 percent grass
8 percent miscellaneous
Throughout the range of the coyotes rabbits and rodents appear to be the primary food source. Shifts between eastern and western parts of the range seems to relate mainly to fruits, especially persimmons.