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A remarkable collection of images to show the humpback whales are in the area of Alaska is using an unconventional method to catch their dinner — “blowing” the bubbles.
Researchers at the University of Hawaii were able to get spectacular images with the help of a drone, during a study of the massive mammals in the vicinity of Alaska.
The technique, known as bubble-net feeding occurs when there is a school of whales in the vicinity of the surface of the water to finish off their prey (usually fish, krill) are within the range of the air-bubbles which they have created by their blowholes. The call may be hindered by the victim, which can then be used by the whales.
Without a fishing rod or a net, the humpback whale, the whales will go to extraordinary lengths to catch fish, using bubbles from their blowholes. A team of researchers from the University of Hawaii is captured in this spectacular footage of humpback whales use a technique called bubble-net fishing in the waters off Alaska. (Credit: SWNS)
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The researchers have also posted a video on their YouTube channel, showing off the remarkable event.
“From the footage, it is quite a breakthrough,” said Lars Bejder, director of the UH Mānoa Marine Mammal Research Program, in a statement. “We have to see how these animals have been in the manipulation of their prey, and in the preparation of the catch. It is what allows us to gain new insights that we have not been able to do that.”
In addition to the use of drones to capture images of the researchers ‘ cameras, and accelerometers to the whale via suction cups, to watch the video, and the information from the first hand.
These data gave the researchers new insight into how the ” bubble-net feeding is to be done, and how often they do things before they finally have to migrate to Hawaii for breeding.
Bubble-net feeding is when a group of whales in the vicinity of the ocean surface to finish off a fish, or see the inside of a circle of bubbles that they have created, by the breathing out of their blowholes. (Credit: SWNS)
“We will have two of its corners. The drone’s perspective to show us this, the bubble nets, and how the calls are starting to come to the surface, and how the animals get through the bubble net, as they surface, while the camera is on, the whales will show us the animal’s perspective,” Bejder added to it. “Therefore, the overlap of these two data, it is very exciting to watch.”
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As the whales rise up from the depths to the surface, the fish will be trapped in the bubble net, which is the huge humpback whales to swoop in and feast. (Credit: SWNS)
Bejder is estimated that there are around 3,000 whales come up to Alaska for the summer feeding season. He added that there were up to 10,000 whales will make the 3,000-mile voyage to the Hawaiian islands to breed during the winter months, and not have to stop for something to eat, until they reach their destination.
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