Wilson's Warbler, also known as the blackcap, is a small, yellow songbird that belongs to the family of New World Warblers. Due to the bird's unique appearance and distinct features, it has become a popular subject among birdwatchers, researchers, and bird enthusiasts. Some synonyms for the Wilson's Warbler include yellow topknot, yellow poll, and pin-and-feather. The bird's bright yellow feathers and black cap distinguish it from other birds in a flock. Wilson's Warbler is a migratory bird and can be spotted during the spring and summer months in North America. Its sweet and melodious song can be heard from oak or willow forests.