... else I'd be spending a fortune on spilled seed.
This squirrel must have spend half an hour in the garden, going around all the feeders and doing its best to figure out a way in. (Any of the ones with doors now have carabiner clips holding them closed, because the squirrels gnawed them off.
It did its best, but finally admitted defeat... sat in the tree thrashing its tail to tell me what it thought of birdfeeder cages, and left.
It doesn't stop seed being dropped by other birds but the feral pigeons, wood pigeons and other more ground based birds deal with it. The amount dropped by the birds is fairly small compared to that from a squirrel swinging on a feeder.
I have so many sparrows, and they are little terrors with feeders like that!
I've seen them rake through and empty a newly-filled feeder in search of whatever their favourite seed happens to be at the moment (it seems to fluctuate with the seasons) and they'll toss out anything that doesn't take their fancy. I've found if I attach a mesh dish to the inside of the cages, they'll pick out what they like and then leave the rest for the robins, tits, and dunnock to come and finish off later.
If it ends up on the ground, the garden is pretty quickly overrun with starlings and pigeons.
A few days ago I had to tinker with the woodpecker's peanut feeder, trying to keep the starling off of that. He can see them off whenever he wants to eat, but when he's not about they empty it within less than an hour. I looked at woodpecker feeders online, and the American ones usually hang horizontally so it's difficult for the starlings to get a grip.
I've hung mine so it tilts at an angle, and the woodpecker seems to be ok with it.
The mess created by the birds sorting through the food became a problem so we given up using mixed seed and only feed sunflower hearts (or seeds) now. Some still gets dropped but in time none is wasted. Like the idea of a feeder at a different angle for woodpeckers.