Humpback whales off the Pacific Northwest coast have been documented performing never-before-filmed conduct—herding salmon instantly into their gaping mouths with their fins.
This extraordinary feeding technique, filmed by a drone, works in tandem with one other superior searching technique that includes encircling faculties of fish in a morass or display of bubbles – blocking the sight and sense of the fish inside the circle.
It’s not clear if this system is utilized by humpback whales elsewhere, however demonstrates they're much more adaptable than beforehand thought.
Grasp fisheries scholar Madison Kosma and the others on her analysis group used video drones to seize their feeding habits and, in doing so, lastly filmed what Kosma stated existed solely as anecdotal proof earlier than, “corralling fish with their flippers.”
“Because of the distinctive state of affairs on the hatchery, and due to new applied sciences comparable to drones, we have been truly capable of doc it,” Kosa advised Nat Geo, including that her staff had witnessed the so-called “pectoral herding” dozens of occasions in individual.
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