Parulidae is a family of small, passerine birds commonly known as wood-warblers. This group of birds is characterized by their brightly colored plumage and their unique song patterns. There are several synonyms for the word parulidae, including the New World warblers, wood-wrens, and ground-warblers. Some other closely related bird families include the Fringillidae, or finches, and the Thraupidae, or tanagers. Wood-warblers are primarily found in North and South America, where they inhabit forests, woodlands, and other wooded areas. They are also known for their ability to migrate long distances, making them a favorite among birdwatchers and nature enthusiasts.