Calling Crows In fact, some experts never put a crow decoy anywhere lower than the height of the owl. Why do crows do this? A roosting owl discovered during the … Although some ground level decoys are OK, a real owl-crow fight finds the bulk of the crows that are not flying in the surrounding trees scolding the owl. Crows harassing an owl, trying to drive it away, is called mobbing. Unlike the Friendly setup, position most of your decoys in the surrounding trees and brush. The talons of owls are much stronger and sharper than those of a crow meaning that it could harm the latter. Crows will harass, peck, annoy and mob an owl, sometimes to the death, if they discover one in the daylight. The body size of an owl is also more adapted for preying than that of a crow. A good way to locate owls is to listen for the racket crows make when they find an owl. Owl vs crow fight comparison- who will win? Based on the above physical abilities, the owl is more adapted to fighting than the crow.