Tree Swallow
Tachycineta bicolor
bird
Louis Agassiz Fuertes · public domain
1
Detections
Aug 11, 2026
First heard
Aug 11, 2026
Last heard
80%
Avg. confidence
By month
how often, month over month1
Aug '26
By time of day
local time · when it's most vocal12a6anoon6p11p