Sandhill crane keeps pecking at my sliding glass door every morning... how do I get him to stop??

He shows up around 7:15, right when I'm heading out to pickleball... tap tap tap on the glass for a good twenty minutes. I think he's fighting his own reflection?? Tyler says it's probably a male and he thinks the reflection is another crane trying to take his territory... tbh he looked it up so who knows lol

I tried taping up a newspaper but he just went to the other side of the glass his partner stands in the yard watching the whole th