I made a little scarecrow for the corner of my veggie garden. I call her Molly and she's more for decoration than actual bird-scaring, although when one of our chickens, Kiki, caught sight of her she stretched her neck out so far in curiosity or alarm that she looked like an ostrich!
The hat was $1 and the dress was 50c (both were thrifted). The funniest thing was after I Instagrammed a photo of Molly my friend R emailed me asking if the dress was a particular size and brand from a particular thrift store - it was, and it turned out that it used to be her daughter's dress!