Humpback whale:

Date/time (local)OccurrenceLatitudeLongitudeNotes
12/17/15 02:51:01Detected43.9681-68.0749
12/17/15 03:51:01Possibly detected43.9681-68.0749
12/17/15 05:51:01Possibly detected43.9681-68.0749
12/17/15 06:51:01Possibly detected43.9681-68.0749


Date/time (local)LatitudeLongitudeNotes
12/17/15 00:51:0143.9681-68.0749Some possible signs of HW downsweeps but too faint to tell.
12/17/15 01:51:0143.9681-68.0749HW downsweep in panel 4? No other evidence of presence.
12/17/15 11:51:0143.9681-68.0749Check spectrogram: Hard to tell if some of this faint noise might be HW or not.