October 02, 2011 by Marcin Kotjka (photos used with permsission) at "the Willows" - a tiny scrap of willows, reeds and bushes around a small freshwater pond amidst coastal grass/scattered low scrub, 50 yards east of Highway 361 on Mustang Island, Nueces County Texas, about 4 or 5 miles south of Port Aransas:
MANDIBLE PATTERN: an almost-exact match for the leftmost mandible pattern in Pyle's figure 142, page 215:
CLICK HERE to listen to the first fifteen seconds of audio obtained by Mel Cooksey - used with his permission.
Here are two spectrograms of the above clip, kindly prepared by Keith Bartels and used here with his permission:
CLICK HERE to listen to third audio clip from 1'43 seconds into the recording by Mel Cooksey - used with his permission.
This is the spectrogram of the above clip, kindly prepared by Keith Bartels and used here with his permission:
For comparison here is a clip from Xeno-Canto file XC41235 by Scott Olmstead recorded in Sonora, Mexico - used here in accordance with their Public Domain copyright policy:
