I battled that gammatical quagmire. I googled it and may have drunkenly misunderstood, or perhaps you are wrong, but it is almost certainly me because Google AI results are less than adequate.

Assuming it is to the death…

1v1: Eagle no problem.

1vGoose flock: Eagle tries to fuck off and the cobra chickens endurance the eagle to death like a flying V of Michael Meyers’, assuming the geese didn’t find something else to hate before the eagle drops. The best chance the Eagle has at survival is to perch in a tree and the geese can’t get at it.