Mystery Sonagram #2

I recorded these two birds this morning in Philadelphia, PA at Harper's Meadow. I will give you a hint, both of these birds songs are "trills". I will post the audio on Monday. Email albrigh_1999@yahoo.com if you would like to log an answer before I post the audio.


CLICK TO ENLARGE ANY SONAGRAM


Click here for audio recording for both birds

Click here to hear a louder recording of Bird B

This second sonagram is an enlargement of the first bird in the composite sonagram above.

Bird A




This third sonagram is an enlargement of the second birdsong in the composite sonagram above.
Bird B