One thing I've found about vultures: They're gonna' circle a lot longer than I'm gonna' lay there trying to trick them into coming down.
Eagles are carrion eaters, too. Well, actually they are opportunists that will eat carrion. An eagle is significantly bigger than a vulture when you come around a curve in the car and there is one in the middle of the road on a dead 'possum.
Ospreys are strictly fish eaters. And an eagle will dive on an osprey to make it drop its fish. Sometimes the eagle will take the fish by catching it out of the air as it falls. Sometimes the eagle doesn't even try. It just makes the osprey drop the fish as if to say, "Go do your fishing somewhere else. This is my territory."
I was once in my canoe heading for a tidal creek I wanted to fish for redfish. A large bird that looked familiar, but that I couldn't really recognize because of its color, was sitting on an oysterbar that I was going to pass. As i drew closer I immediately recognized the bird as an immature bald eagle as soon as it took to the air. The creek I wanted to fish had many birds on the water and on the oysterbars; pelicans, grackles, ducks, seagulls, cormorants, etc, etc. When the eagle jumped off the 'bar it was on it flew low, slow and right up the creek I wanted to fish. Everything with wings took flight and got the hell out of the area. Thought that was pretty cool.