The family Picidae is a group of birds commonly known as woodpeckers, piculets, wrynecks, and sapsuckers. These birds are characterized by strong, chisel-like beaks used for drilling into wood to find insects, create nesting cavities, or access sap. Most species have stiff tail feathers that provide support against tree trunks, and zygodactyl feet (two toes facing forward and two backward) for gripping vertical surfaces. Picidae are found worldwide, except in Australia, New Zealand, and Antarctica, and they occupy diverse habitats ranging from forests to savannas. Many species play important ecological roles by controlling insect populations and creating cavities that other animals later use for nesting. They are also known for their distinctive drumming sounds, which serve as communication and territorial displays.