This is an assumption on my part, however Egrets probably setup house the same as a Great Blue. After all, Egrets are members of the Heron family.
So…
Most likely this is a male working on the initial nest building. Showing off some of his skills.
And of course good looks.
That will only take him so far. After a quick show it’s back to moving sticks around.
Lol 😂 Such fanfare and fastidious preparations, fancy feathers and all 🤗
I hope to catch some big mating dances soon.