Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.
A cool idea on using the space of the corner cabinet ! With these shelves, you can organize, see what's in it and not have to get down on your hands and knees if there was a lazy Susan in the space. Down side--- no hide and seek space.