Urban crows can have higher cholesterol levels than their rural cousins, probably because they are eating human food.
Article: Townsend, A. K., H. A. Staab and C. M. Barker (2019). “Urbanization and elevated cholesterol in American Crows.” Condor 121(3).
Check out some of the press coverage:
https://www.sciencedaily.com/releases/2019/08/190826092338.htm
