11-21-19 Humpback Sounds - Lime Kiln Hydrophones

Interesting and unusual sounds.

 The sounds from humpbacks are usually more obvious.
On this evening, there were some sounds that were made either by not HBs or maybe this HB(s) was copying some others!

This is the fourth time I have heard HBs over the Lime Kiln hydrophones this year, and each time it occurs after dark.  On this evening it was just after 6pm.

Fun stuff!  Enjoy...