Warbling Vireo song and calls

Birdsong and calls are often the easiest way to identify the Warbling Vireo, especially when the bird is hidden in dense foliage. Below is what to listen for.

Song

A distinctive, rich, and rapid warbling song, often described as a continuous, rising and falling series of notes, ending with an upward inflection. It sounds like 'weeter-weeter-weeter-wit-wit-wit-wee-o' or 'I'll sing to you, I'll sing to you, I'll sing to you, and then I'll stop.' It is delivered persistently, especially during the breeding season.

Calls

Common calls include a sharp 'chip' or 'chup' note, and a soft, buzzy 'zwee' or 'zheep'.

When they vocalize

Males sing frequently and persistently throughout the breeding season, from early morning until late afternoon, often from high in the canopy. Calls are given year-round, especially when agitated or communicating with a mate.

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