It is currently peak breeding season and we at the Lesser Slave Lake Bird Observatory (LSLBO) are hard at work capturing, banding and observing those birds breeding in the area. In the Boreal Forest alone, 325 bird species nest and raise their broods over the summer, and over half of those are small songbirds who are indeed singing. For every one of these songbirds, there are variations in what we might call their basic song. Regional dialects distinguish birds raised on opposite sides of the country – or even just the other side of a mountain range – with further variants within an individual’s repertoire for various communications.

Songbirds like American Redstarts and Yellow Warblers take…

Continue Reading at Source