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In 2010, researchers found whales carry nutrients from the depths of the ocean back to the surface using a process they called the whale pump. [29] Whales feed at deeper levels in the ocean where krill is found, but return regularly to the surface to breathe. There whales defecate a liquid rich in nitrogen and iron.
Female blue whales feed heavily in the summer because they largely refrain from eating when nursing their young. Newborn blue whales are born measuring over 22 feet in length and weighing around 2 ...
In general, blue whale populations migrate between their summer feeding areas near the poles and their winter breeding grounds near the tropics. There is also evidence of year-round residencies, and partial or age/sex-based migration. Blue whales are filter feeders; their diet consists almost exclusively of krill. They are generally solitary or ...
The blue whale's diet consists almost exclusively of krill. [34] Blue whales capture krill through lunge feeding; they swim towards them at high speeds as they open their mouths up to 80°. [34] [69] They may engulf 220 metric tons (220 long tons; 240 short tons) of water at one time. [73]
Blue whales eat almost 9,000 pounds of krill daily, and when it's their feeding season, they eat up to 40 million krill a day. Treehugger also shared this cool fact, "Blue whales, in fact, are the ...
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Krill feeding in a high phytoplankton concentration (slowed by a factor of 12). Filter feeders are aquatic animals that acquire nutrients by feeding on organic matters, food particles or smaller organisms (bacteria, microalgae and zooplanktons) suspended in water, typically by having the water pass over or through a specialized filtering organ that sieves out and/or traps solids.
Julie McSorely and Liz Cottriel were in a kayak together watching humpback whales during feeding season. In the video, you can see the whale engulfing both the women and the kayak in its mouth.