Birdsong for the
Curious Naturalist

White-crowned sparrow

Chapter 5: More about Song Learning
Subchapter: Song (and call) dialects
From page 64 in the book.

Dialect 1, from coastal California. Listen to a composite recording in which you hear only one song from each of three individuals in this dialect (♫240); you may choose to listen to longer recordings from each of those individuals (♫241, ♫242, ♫243). March 14, 2017. Harmony Headlands State Park, Cayucos, California. (0:16, 1:49, 1:42, 1:09) ♫242 and ♫243 recorded by Janet Grenzke.

♫240—one song from each of three individuals

♫241, ♫242, ♫243—longer recordings from those three individuals

Dialect 2, from coastal California, just to the south of Dialect 1. Same format as above, with just one song from each of two individuals (♫244), and with longer recordings available from each male (♫245, ♫246). March 13, 2017, at Oso Flaco Lake, Arroyo Grande, California. March 9, 2017, at Montaña de Oro State Park, Los Osos, California. (0:10, 1:46, 0:49) ♫245 recorded by Janet Grenzke.

♫244—one song from each of two individuals

♫245, ♫246—longer recordings from those two individuals

Dialect 3, a Montana dialect, same format as above. One song from each of three individuals (♫247), with longer recordings available for each male (♫248, ♫249, ♫250). June 3, 2009. Red Rock Lakes National Wildlife Refuge, Lima, Montana. (0:16, 2:25, 0:56, 3:13)

♫247—one song from each of three individuals

♫248, ♫249, ♫250—longer recordings from those three individuals

Dialect 4, an Alaska dialect, same format as above. One song from each of three individuals (♫251), with longer recordings available for each male (♫252, ♫253, ♫254). June 15, 2017. Mile Post 36-37, Denali Highway, Alaska. (0:17, 0:52, 0:05, 3:42) ♫252 and ♫253 recorded by Janet Grenzke.

♫251—one song from each of three individuals

♫252, ♫253, ♫254—longer recordings from those three individuals