The Common Chiffchaff (Phylloscopus collybita) is in the family Warblers/Flycatchers and is a small, olive-brown warbler with a distinctive, repetitive song resembling its name: "chiff-chaff." They have a slender bill and pale underparts and are found across Europe and Asia. They like woodlands and shrubby areas where they primarily feed on insects and are often seen flitting about tree canopies. During migration, they travel to southern Europe, Africa, and Asia for the winter.