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Researchers tag 8 pilot whales in Hawai'i then follow them into the darkness. What they find is "unbelievable"
For the first time, scientists have quantified how many deep-sea squid short-finned pilot whales in Hawaiʻi need to eat to support their deep-diving lifestyle.
The population of short-finned pilot whales in the water around Hawai'i need to eat millions of squid each year to keep up their deep-diving lifestyle, according to a new study.
To find out how much these dolphins need to eat, the team tagged eight individuals with special trackers that measured movement, depth and sound as well as watching the whales hunt through underwater cameras.
They then measured the size of the whales using drone footage and combined the data to estimate how much energy the animals were using as they swam through the ocean and down into the deep-sea. This is the first time researchers have calculated an “energetic budget” for this population. Their findings are published in the Journal of Experimental Biology.
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Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford.
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