Blue-gray Gnatcatcher—Whither is Thy Song?

Anyone who is familiar with Blue-gray Gnatcatchers and who bothers to rise in the twilight of dawn, will know that individuals often sound off excitedly at first light, for minutes on end, all from a single perch (in other words, the sound-maker calls like crazy but does not move around). Is this a type of dawn song? It's certainly not musical. … [Read more...]