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.
Upcycle pruned branches into coat hooks. No directions; was a 'for sale' item . but could use pallets for the frame. Make sure branch sections are well dried. Pre-drill branch and frame. Use wood glue and screws (or pegs) to connect.