Along the Rio Grande at Salineno, Texas, by Lang Elliott
Pauraques On My Mind. And audio podcast commemorating my brief visit to the Lower Rio Grande Valley of Texas in early March of 2017. © Lang Elliott.

AT LONG LAST, I have finished my podcast for the Lower Rio Grande Valley. It is long overdue; it’s been almost two weeks since Beth Bannister and I zoomed through gathering recordings!

Below is content copied from my earlier blog post about our visit, giving you access to several of the recordings featured in my podcast, without narration.

The Lower Rio Grande Valley

So here is my blog post for the Lower Rio Grande Valley (LRGV), which I visited with my field assistant Beth Bannister from March 3 through 5. The above photo shows typical riverine habitat along the Rio Grande River, which is where were got most of our recordings. It is very difficult to get pristine soundscapes in the LRGV … too much development and associated noise, with constant loud rumble in the background (which I’ve been struggling to eliminate from our recordings).

Being very early in the breeding season, there was not a lot of songbird activity, but we nonetheless got some interesting recordings, several of which are featured below (with more to be shared in my forthcoming podcast).

I captured a wonderful soundscape at dusk in Bentsen Rio-Grande Valley State Park near Mission, Texas. It features the vibrant and haunting night-call of a Common Pauraque (with others sounding off in the distance), along with the soft trills of two Eastern Screech-owls. It’s a brief recording that was cut short by the sudden arrival of a prop plane, but it’s a nice one nonetheless:

Common Pauraque and Eastern Screech-owl. Recorded at dusk in Bentsen Rio-Grande Valley State Park near Mission, Texas. 7:54pm, 3 March 2017 © Lang Elliott.

Beth and I both had good luck with recording the cacophonous calls of Plain Chachalacas in a small refuge at the river’s edge below Salineno, just downstream from Falcon Dam. Using a parabolic reflector microphone, Beth was able to get a clear closeup of a duetting pair, making it easy to hear the different roles of the male in female in the duet (the female makes the higher-pitched calls (at least I think; someone correct me if I’m wrong):

A parabolic closeup recording of a pair of duetting Plain Chachalaca. Recorded by Beth Bannister in riverine forest next to the Rio Grande at Salineno below Falcon Dam. 7am, 5 March 2017. © Lang Elliott/Beth Bannister.

While Beth stayed close to the parking lot, I wandered quite a distance downstream with a microphone deigned to render a spacious stereo effect. To my delight, I was able to record several pairs of Chachalacas sounding off from different directions. The usual pattern is that one pair starts the ruckus by duetting. As that pair ends their outburst, another pair responds with their duet. And so it goes until all the Chachalaca pairs in the other have made themselves known:

Several pairs of Plain Chachalaca sounding off at dawn in the riverine forest along the Rio Grande at Salineno, Texas. 7:45am, 5 March, 2017. Listen also for the loud calls of a Greater Kiskadee, the resonant coos of White-tipped Doves, and the harsh rattle of a Ringed Kingfisher. © Lang Elliott.

For me, the raucous daytime calls of Chachalaca and the vibrant, haunting nighttime soundings of Pauraque are audio fingerprints of the Lower Rio Grande Valley … the only place in the United States where the sounds of these Central and South American species can be heard.

As you might guess, we got recordings of other species as well, and a number of them will be featured in my forthcoming LRGV podcast. So stay tuned to hear Greater Kiskadee, Long-billed Thrasher, Golden-fronted Woodpecker, Green Jay, White-tipped Dove, and more!

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