Lower Rio Grande Valley Nocturnal Bird Migration
Lower Rio Grande Valley Nocturnal Bird Migration
Weekly Dickcissel (DICK) night flight call activity automatically detected by Nighthawk 0.3.0 software operating 8 hours per night (9p-5a CDT, GMT -5) at the Alamo Inn station. See table below for DICK nocturnal flight call totals from other stations in the LRGV acoustic monitoring transect.
Each station used an Old Bird 21c (v2020) microphone to receive sound from the night sky. The audio signal was fed to the microphone input of a USB audio device connected to a Dell Latitude (7200 series) laptop to record the sound. Nighthawk 0.3.0 is the most recent version of software that was first released in 2023 by Benjamin Van Doren. It involves an adaptation of the methodology used by the Cornell Lab of Ornithology's Merlin App toward automatically detecting avian nocturnal flight calls of 80+ species.
Harold Mills programmed the data processing to transfer tentative Dickcissel detections from Nighthawk 0.3.0 to a Vesper archive in the cloud. Click the link below to access the archive and follow the instructions below the link to navigate in the archive.
(archive info and navigation instructions)
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