The Least Bittern is secretive and subtle in every way, spending its day among the cattails and reeds, and seldom "surfacing". Even this chuckling breeding "song" is subtle and quiet, and it's sung only during the Spring breeding season. This one was recorded March 21, 1998 near "Becky's Slough" of Tavasci Marsh [Arizona]. .
The Least Bittern's call is often heard but easily confused with the calls of other marsh birds, especially various rails. This call is heard outside the Least Bittern breeding season, and is often part of a "synchophony".
