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Crows and sparrows can sleep on branches without falling off because of their perching ability.Did you know?heron ostrich eagle cock duckduckkingfishersparrowwoodpecker238 Arrow-Puffin-3_Semester-1 ScienceA woodpecker has a sharp, pointed beak which helps it to make holes in the trunks of trees and pick up insects for its food.A duck has a broad and flat beak. It helps the bird to dig the mud near water to pick up insects and worms.A kingfisher has a broad, long and pointed beak. It helps the bird to catch and hold fish.FEET AND CLAWS OF BIRDSLook at the feet and claws of these birds. They are different in different birds.Some birds use their feet and claws to catch, hold and eat food.Some birds use them to walk, hop, swim, climb and perch. Some birds also use them to protect themselves.Let us learn how some birds use their feet and claws.Perching birds like crows and sparrows use their toes to hold onto the branch of a tree, firmly. This is called perching. This helps a bird to sleep at night without falling off a branch.Climbing birds like parrots and woodpeckers have two toes pointing upwards and two toes pointing downwards. These toes help them to climb up and hold onto the branch of a tree.woodpecker