Spectrogram (upper panel) and waveform (middle panel) showing 3.5 s of data from DLBB14-05 emitting a feeding click train ending in a terminal buzz, and its corresponding inter-click interval (ICI) measured with script Callmark (lower panel).

• Main Authors: Manuel Castellote (4572610), Aran Mooney (11772954), Russel Andrews (7466561), Stacy Deruiter (11772957), Wu-Jung Lee (4688698), Megan Ferguson (503895), Paul Wade (3271386)
• Format: Still Image
• Language: unknown
• Published: 2021
• Subjects: Neuroscience; Evolutionary Biology; Ecology; Inorganic Chemistry; Environmental Sciences not elsewhere classified; Biological Sciences not elsewhere classified; thaleichthys pacificus </; susitna river delta; successful prey chasing; stomach temperature transmitter; oncorhynchus tshawytscha </; oncorhynchus kisutch </; oncorhynchus gorbuscha </; div >< p; delphinapterus leucas </; basic ecological knowledge; monitor beluga distribution; social behavioral states; recovery efforts highlight; passive acoustic monitoring; approach allowed description; 37 click trains; beluga whale (<; 279 belugas (<; long term monitoring; ici increment range; data including foraging; >); pink (<; increased feeding occurrence; chinook (<; acoustic data; eulachon (<; coho (<; beluga presence; feeding occurrence; social interactions; recovery actions; foraging habitat; eight belugas; efficient approach; click intervals; seasonal occurrence; feeding behavior; detecting feeding; terminal buzzes; successfully processed; spawning runs; short ici; sensor tag; satellite tag; results reflected; minimum ici; measure inter; may 2016; ici trend; exclusively associated; dual metric; dtag ); different species; current gap; correct assessment; cook inlet; conservation challenge; clear preference; buzzing section; bristol bay; august 2014; anadromous fish; 98 ms; 6 hours; 49 ms; Beluga; Beluga whale; Beluga*; Delphinapterus leucas; Oncorhynchus gorbuscha
• Online Access: https://doi.org/10.1371/journal.pone.0260485.g003

Purple asterisks mark each click peak time, with time zero equates to 14 hrs and 47 min since the beginning of the recording, or 5:08 am AKDT on 29 August 2014. Note clicks from another beluga were excluded at 700 to 900 ms and again at 2900 to 3500 ms.