yes
A fox, skunk, badger, or any scavenger will eat a dead hawk. Bigger hawks will eat small hawks, pumas will pull hawks from the air, and foxes, skunks, snakes, ect. will eat eggs.
What hawks eat are rodents and almost any small animal.
The feed on rodents and reptiles.
it feeds on flesh of dead or wounded animals.
Urban Wildlife: Red Tailed Hawk