Springtime in the Anza-Borrego Desert State Park in southeastern California. Cacti and wildflowers glisten with raindrops, and birds begin to sing. A House Finch, a Bewick's Wren, a Cactus Wren, a Mourning Dove, and this Costa's Hummingbird all add their sounds. The soundscapes featured in
Donald Kroodsma, avian communication expert, offers great research on the songs of the Bewick's Wren. At this time of year, a very young male Bewick's Wren is beginning to learn how to sing. His father sings a crisp well-defined song, separated by pauses, but the young bird's song is fuzzy
By late summer, most birds hatched in spring are on their own, without help from their parents. Where do they go? Young migratory birds will head south in late summer or fall, in the pattern of their species. But most non-migratory birds born last spring — such as this immature Bewick’s
Ahhh, the first day of spring . . . at last! And the birds know somethin' is up. Both science and folklore tie Spring to the renewal of nature, as the world awakens from the long cold winter. Here's a Virginia Rail, usually unseen but hardly unheard, ringing in the new season. Spring has
The vernal equinox, the first day of spring. The moment when the sun is directly above the equator, and day and night are nearly equal all over the world. Yet birds sense the growing hours of daylight through a surge of hormones. It’s time to sing! Both science and folklore tie spring to
Within two weeks of hatching, a young male Bewick's Wren is already out of the nest, skulking in the shrubbery. Over the next couple of weeks, the fledgling will learn at least 15 different song variations his father sings. After he wanders off to find his own territory, about a mile from
