This evening Captain Mike and I left the dock with excited passengers, warm breeze on the water and a report of humpbacks in Canadian waters. We headed north out of Friday Harbor and up the San Juan Channel toward East Point on Saturna Island, the easternmost point of the Canadian Gulf Islands. We stopped here to check out a haul out of harbor seals (or as we call them Pacific Northwest Rock Sausages) and some pairs of black oystercatchers feeding on intertidal invertebrates. After our brief visit with our pinniped friends, we continued to the Northwest in the Strait of Georgia towards the lowering sun and TWO tall columns of steam on the horizon. Could it be humpbacks?
As we neared where we saw the blows we slowed down and heard a massive WHOOSH as first one then the other humpback blew as we saw their massive black backs emerge from the water. Despite what we all may have seen in Finding Nemo, humpback whales do not actually swallow any water that then emerges from their blowhole, in fact their mouths are not connected to their respiratory system at all. Their “blowholes” are actually a huge pair of nostrils that have migrated to the top of their head over evolutionary time. Each one is contained by a splash guard that traps about three gallons of water when they come to the surface. To clear this water, a humpback will exhale at about 300 miles per hour from its monstrous lungs, vaporizing this water into the ten to twenty foot plume of steam that we see above the water.
We hung out and watched these magnificent animals for a while in the waning sunlight and got some great looks at their flukes as they dove to feed on herring. In what seemed like much too short of a time, it was time for us to wave goodbye as we saw their flukes disappear under the water for the last time.
Even though we left the humpys, we had a great scenic ride ahead of us through Georgensun Pass and Plumper Sound where we saw numerous eagles, an occupied osprey nest, and more seals. We finally made our way back through San Juan Channel back to Friday Harbor where our passengers disembarked with smiles on their faces after a magical evening on the water.
another Whale of a day in the Salish Sea!
Naturalist Mike J
M/V Sea Lion