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Supplemental Information

Figure 1: Map of the sensor array geometry. MARU locations areshown as black, numbered circles.

DOI: 10.7287/peerj.preprints.322v1/supp-1

Figure 2: Spectrogramsof narrowband upsweep FM signals (NU).


spectrograms were obtained using 1024 point FFT with Hann window, 75% overlap, and

sampling rate of 5 kHz.

DOI: 10.7287/peerj.preprints.322v1/supp-2

Figure 3: Spectrogramsof narrowband downsweep FM signals (ND).

DOI: 10.7287/peerj.preprints.322v1/supp-3

Figure 4: Spectrogramsof narrowband complex FM signals (NC).

DOI: 10.7287/peerj.preprints.322v1/supp-4

Figure 5: Spectrograms of narrowband high calls (NH).

DOI: 10.7287/peerj.preprints.322v1/supp-5

Figure 6: Spectrogramsof wideband gunshot sounds (WG).

DOI: 10.7287/peerj.preprints.322v1/supp-6

Figure 7: Spectrogramsof complex wideband signals (WC).

DOI: 10.7287/peerj.preprints.322v1/supp-7

Figure 8: Block-diagram of the automatic classifier.

DOI: 10.7287/peerj.preprints.322v1/supp-8

Figure 9: Daily distribution of detected NARW calls and their classes.

DOI: 10.7287/peerj.preprints.322v1/supp-9

Figure 10: Empiricaldistribution of classes of all detected NARW vocalizations.

DOI: 10.7287/peerj.preprints.322v1/supp-10

Additional Information

Competing Interests

There are no competing interests.

Author Contributions

Ildar R Urazghildiiev conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Susan E. Parks contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.


The funding source of this work is The Lab of Ornithology, Cornell University. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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