I have a large Java tree stand for my macaw. Several of the higher branches have some kind of sand glued to them. In one spot they added a branch extension and seemed to have glued the branch into place. They then covered it with this sand. Unfortunately the sand has come off over the years and I'm concerned that my bird might decide to eat the glue. It is older and I was not the one who purchased it so I have no idea how they attached the sand. Also what type of glue would have been used to add the extra branch. Any help would be appreciated. Thank you.