The Scarecrow is an early game craft-able item used to keep crows away from crops. You can click on a scarecrow to receive a count of crows that scarecrow prevented from eating crops.
A scarecrow is crafted with 50 Wood, 20 Fiber, 1 Coal.
In addition to normal scarecrows, there are eight collectible Rarecrows which can be acquired throughout the game.
The range of a scarecrow is 8 tiles in all directions (diameter of 17).