Home Science Humpback whales use 'bubble nets' to catch prey, video shows

Humpback whales use ‘bubble nets’ to catch prey, video shows

A exceptional set of pictures present humpback whales close to Alaska utilizing an unconventional methodology to catch their dinner — blowing bubbles.

Researchers from the College of Hawaii have been capable of seize the spectacular pictures utilizing a drone whereas learning the large mammals close to Alaska.

The method, generally known as bubble-net feeding, happens when a pod of whales close to the floor of the water rounds up their prey (often fish or krill) contained in the circle of bubbles they’ve created utilizing their blowholes. The bubbles could stun the prey, that are then consumed by the whales.

With out a rod or a web, humpback whales go to extraordinary lengths to catch fish – by utilizing the bubbles from their blowholes. A crew of researchers from the College of Hawaii captured this spectacular footage of humpbacks whales utilizing a method known as bubble-net fishing within the waters close to Alaska. (Credit score: SWNS)

NEW SPECIES OF WHALE DISCOVERED ON THE JAPANESE COAST

The researchers additionally posted a video to their YouTube web page, exhibiting off the exceptional occasion.

“The footage is reasonably groundbreaking,” mentioned Lars Bejder, director of the UH Mānoa Marine Mammal Analysis Program, in an announcement. “We’re observing how these animals are manipulating their prey and making ready the prey for seize. It’s permitting us to realize new insights that we actually haven’t been capable of do earlier than.”

Along with utilizing drones to seize the photographs, the researchers additionally put cameras and accelerometers on the whales by way of suction cups to get video and information from a first-hand account.

That information gave the researchers recent insights into how bubble-net feeding is completed and the way typically they do it earlier than they ultimately migrate right down to Hawaii for breeding.

Bubble-net feeding is when a group of whales near the ocean surface rounds up fish or krill inside a circle of bubbles they’ve created by exhaling from their blowholes. (Credit: SWNS)

Bubble-net feeding is when a bunch of whales close to the ocean floor rounds up fish or krill inside a circle of bubbles they’ve created by exhaling from their blowholes. (Credit score: SWNS)

“We’ve got two angles. The drone’s perspective is exhibiting us these bubble nets and the way the bubbles are beginning to come to the floor and the way the animals come up by way of the bubble web as they floor, whereas the cameras on the whales are exhibiting us the animal’s perspective,” Bejder added. “So overlaying these two information units is kind of thrilling.”

RARE WHALE NEAR ALASKA RECORDED SINGING FOR FIRST TIME

As the whales rise from the depths towards the surface, the fish are trapped in the bubble net, allowing the huge humpbacks to swoop in and feast. (Credit: SWNS)

Because the whales rise from the depths in direction of the floor, the fish are trapped within the bubble web, permitting the massive humpbacks to swoop in and feast. (Credit score: SWNS)

Bejder estimates that roughly 3,000 whales come to Alaska for the summer season feeding season. He added that as much as 10,000 whales will make the three,000-mile trek to Hawaii to breed in the course of the winter months, not stopping for meals till they attain their vacation spot.

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Cisco Ramon
Cisco Ramon is Science expert. He is a science enthusiastic from his childhood day. To live his lofe he has choosen to be a science journalist and started his careen with Trevino to provide all the latest news from science world.

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