An effigy in the shape of a man to frighten birds away from seeds(noun)
WordNet. Princeton University. 2010.
Use "bird-scarer" in a sentence
"You'd have done better if you was a bird-scarer, like Hodge."
""S 'far as that do go," said John, "I were mostly a bird-scarer.""
"One feels their loneliness, monotony, and desolation on many days, sometimes even when it is not wet, and I here recall an amusing encounter with a bird-scarer during one of these dreary spells."