I watched them harass a Bald Eagle on Wednesday. For every eagle I see, I see 20 crows and hear many more I never see. I can't imagine crows are dangers to adult turkeys, or even poults. I suppose they would harass treed turkeys. Was just surprised to see that they may be a top nest raider.

[Linked Image from i.imgur.com]
https://vcdl.org/