Which animal would win in a headbutting fight, a ram or a male deer?

I know how strong a rams headbutt is, but I cant find much information about deer headbutting even though I know they sometimes do it. I really need t

I know how strong a ram's headbutt is, but I can't find much information about deer headbutting even though I know they sometimes do it. I really need to know the answer of this question for a project so yeah...

or:I know how strong a ram's headbutt is, but I can't find much information about deer headbutting even though I know they sometimes do it. I really need to know the answer of this question for a project so yeah...

Tags:animal,information,