Woodpeckers are like engineers who regularly construct tree cavities of all sizes. Smaller-sized species often choose smaller trees for foraging while larger woodpeckers perch on larger trees. Different species of woodpeckers living in the sub-Himalayan forests show distinct foraging preferences depending on the size, height, and part of the tree, as well as their position in the canopy. Read more about the foraging habits of woodpeckers in Sub-Himalayan Forests here.