Humpback whales, what do they eat?


This video from the USA says about itself:

Surfer Almost Swallowed by Whale

2 November 2011

A woman floating on a surfboard near Santa Cruz, California almost ended up on the lunch menu for a humpback whale over the weekend. Barb Roettger had her camera rolling as two hefty whales popped out of the calm waters not far from the unsuspecting surfer and a pair of kayakers.

A pod of humpback whales has been hanging out off the Santa Cruz coast, noshing on anchovies that flock to the area to feed on plankton. The woman found herself in the middle of a feeding frenzy called lunge feeding, which occurs when whales herd anchovies and shoot straight up out of the water with their mouth wide open to catch the fish.

The whales have had quite a few dangerous close encounters with humans and boats in recent months. Whale watchers are warned to stay at least 100 yards away from the feeding area which can be a quarter mile square. Roettger says she has now gained a greater respect for whales, their feeding patterns and will now only spectate from the decidedly safer dry land.

For those who doubt that this is real, watch this footage that is shot from the same kayak.

From eNatureBlog in the USA:

What Do Humpback Whales Really Eat For Dinner?

Posted on Friday, August 14, 2015 by eNature

Despite the title of the video above, Humpbacks don’t eat surfers!

Even so, this video received lots of attention around the internet when it appeared— and for good reason.

It shows a surfer’s VERY close encounter with a humpback whale off the beaches of Santa Cruz, in Northern California.

But it’s also interesting because it’s a great close-up view of how a Humpback feeds and the sort of marine life that makes up its diet.

How To Eat Without Teeth?

Humpbacks are baleen whales and have no teeth. They feed by using the large plates of baleen (see photo to right) in their mouths to filter out shrimp-like krill and other small creatures from the water. Plated grooves in the whale’s mouth allow water that was taken in to easily drain, leaving a mouth full of dinner.

But most folks don’t realize that baleen whales such as humpbacks also consume fish— mainly small schooling fish they hunt in same fashion as krill.

In the video you can clearly see lots of small prey fish scattering in all directions just before and as the whale breaches. (Double click on the video if you want to see a bigger version of it). You an also see the whale’s baleen plates and the water rushing from its mouth as it filters out its prey.

Blowing Bubbles For Dinner

Humpbacks are energetic hunters, taking krill and small schooling fish such as herring, mackerel, pollock, and haddock. They’re also quite clever and have been known to use a technique called bubble net feeding.

A whale or group of whales swims in a shrinking circle blowing bubbles below a school of prey, encircling and confining the school in an ever-smaller cylinder. The whales then suddenly swim upward through the ‘net’ with their mouths open, filtering huge quantities of water and capturing thousands of fish in one gulp.

It’s a pretty amazing thing to observe…

And one other fun thing to note in the video is all the seabirds following the whales as they feed. These birds know that breaching whales panic fish and make them easy pickings for an alert bird. Looking for flocks of seabirds working the ocean’s surface is time-honored way for fisherman to locate schools— and for whale watchers to find whales.

Have you had a chance to see Humpbacks or other whales? We always love to hear your stories.

A team of researchers recording the sounds of whales in Alaska’s Arctic have recorded humpback whales singing in the Chukchi Sea, something previously thought to happen only in tropical waters: here.

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