They understand where the perfect number of cars is gonna be.
How did you learn arithmetic?
Others just dropped them from high altitudes. I suspect the ones on the power lines were just showing off; as much fun as need.
Prey animals are wary and startle easily to reduce their chance of becoming lunch.
Running in almost any direction is an effective means of escape.
Cars are much wider than most predators, meaning many directions end up being bad choices.
I've seen a bird of prey try to dive and swoop low over the land to evade them. They'll follow, some diving down low after it and some at a distance to keep an eye on it, until it's gone.
We basically have a crow air force keeping all the other birds and little mammals safe.
https://en.wikipedia.org/wiki/Mobbing_(animal_behavior)#In_b...