Breaking news in bird songs
Brittany @ May 23, 2009 # 2 Comments
As plant life began to resurge in some formerly cleared lands in California, Oregon and Washington over the course of the past 35 years, male white-crowned sparrows have lowered their whistling pitch and slowed down their long song-singing abilities so that their songs would carry better through the newer, thicker foliage. Apparently, this is the […]