Song
Listen to the high-pitched song.

Date/Time : 22.06.2018 / 7:05 AM
Habitat : Marsh
Location : Eastern Townships, Quebec, Canada
Latitude : 45°N
Altitude : 230m (754′)
Equipment : AT4022 (SASS), 633

Photo by Andy Reago & Chrissy McClarren (CC BY 2.0)