They’d eat the seed, the cute little polystyrene balls and finish off the lace for dessert!
You will need a plastic bottle with the top cut off and this will need holes drilled in as well. Find the top middle of the can and glue a long piece of sisal rope (about 2. You’ll find lots of free loot too including, patterns, printables, tutorials and downloads.
You may want to put a wooden dowel or even a wooden spoon through so that the birds have somewhere to land when they want to eat. You just have to hollow out enough room for the food and then attach a chain to hang the log in your tree.
It might take them 20 minutes of hard work, but eventually the wine bottles would be eased out of the wires that hold them and tossed to the ground. You may want to put something for a ledge so the birds have something to stand on when eating. Now, starting at the top of the can, slowly glue down the sisal rope from one end to the other by going around the can in a circular motion until you reach the bottom of the can.