Hi, all. Here's some bird audio I've gotten in the past couple weeks:
1. This *spotted towhee* at the Medano-Zapata Ranch, Alamosa County, Mar.
20, sang a song that wouldn't sound out-of-the-ordinary for an eastern
towhee in Kentucky or Ohio. Then it switched over to a perfectly typical
spotted
The Spostern Towhee raises an interesting question. At the end of
winter/beginning of spring, male song birds go through a period when they are
regaining their song. During this period, the song is often somewhat off. In
the case of two closely related species, one might wonder if during the son
