How is the Willow Warbler's song commonly described?

Answer

A melodious, flowing, descending, liquid whistle

The Willow Warbler possesses a distinctly melodious, flowing song, often described as a gentle cascade of notes that trails off, contrasting with the Chiffchaff's simpler repetition.

How is the Willow Warbler's song commonly described?

#Videos

Chiffchaff vs Willow Warbler. How To Tell The Difference. - YouTube

birdidentificationWillow Warbler