top of page

A single trip with a light breeze showcases humpback behaviors.

Image: a humpback whale throws its mighty tail. (Unintentional rhyme).
Image: a humpback whale throws its mighty tail. (Unintentional rhyme).

2025 04-25 SB Channel


A single trip left the docks at noon under a high stratus layer that opened up a little bit when we got offshore. Unfortunately there was a moderate breeze all day which kept things “fresh”. Sightings were good: 4 humpback whales in the area, and 3 were watched closely.


The action today took place southwest of Platform Habitat. We had a lively pair of adult humpback whales that, in addition to their liveliness, mugged the boat for 15 minutes. This pair showcased two of their main behaviors today: 1.practically nonstop tail throwing with occasional rolling around and 2.swimming upside down. It is interesting to note that a third whale about a quarter of a mile away was also throwing its tail.


People often ask why whales throw their tails. There are many documented reasons, and I believe that often there are multiple reasons happening simultaneously. It could be a sign of aggression ir warning, it could be a way of communicating through signaling or sound, it could be some sort of mating call, It could be a way of removing skin parasites, it could also be blowing off steam.  One thing we know for sure from recent research, humpbacks, especially juveniles, NEED to throw their tails, breach, and slap their pectoral fins frequently. The study showed that these early behaviors promote the production of myoglobin in the muscles…an important oxygen storing molecule that will be useful throughout their life cycle.


There was another very active whale out towards the horizon. Everyone saw it, but we did not have time to drive over for a close look.


You never know what Mother Nature has in store.


Bob Perry



 
 
bottom of page