Birdsong for the
Curious Naturalist

Mallard

Chapter 2: Birds and Their Sounds
Subchapter: Birds without a song just call
From page 12 in the book.

♫30. Female QUACKing persistently for minutes on end. March 18, 2017. Harmony Headlands State Park, Cayucos, California. (1:23)

♫31. Male rab, rabrab. April 13, 2014. Amherst, Massachusetts. (0:59)

See also Explore 4. Mallard quacks and rab-rabs.