Ruby-crowned Kinglets are a tiny, fast bird that is often only captured as a blur on any given birder's camera. Here its song has been captured, while migrating through Burlington, Ontario along the shore of Hamilton Harbour.
For those with high-frequency hearing loss, you may alternatively download to "Songbirding Under 5kHz".
Recorded, engineered, narrated and created by Rob Porter.
Creative Commons music by Kai Engel - https://www.kai-engel.com/