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Fig. 2 | Movement Ecology

Fig. 2

From: Sea ice directs changes in bowhead whale phenology through the Bering Strait

Fig. 2

A Long-term spectral average (LTSA) with 12 h of acoustic data 22 January 2011. Black dashed lines indicate zoomed-in spectral slice. B Zoomed-in spectrogram from LTSA with 90 s of acoustic data depicting bout of bowhead whale song. C LTSA with 12 h of calling 9 February 2020. Black dashed lines indicate zoomed-in spectral slice. D Zoomed-in spectrogram from LTSA with 90 s of acoustic data depicting non-song vocalizations of bowhead whales. LTSAs plotted with Triton software (v 1.93, [32]) in MATLAB (v 2022a, [33]) (4096 sample FFT, 75% overlap, Hanning window)

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