How smart are killer whales? Orcas have 2nd-biggest brains of all marine mammals
Neuroscientist Lori Marino and a team of researchers explored the brain of a dead killer whale with an MRI and found an astounding potential for intelligence.
Neuroscientist Lori Marino and a team of researchers explored the brain of a dead killer whale with an MRI and found an astounding potential for intelligence.
Plants & Animals
Mar 8, 2010
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Some animals live in such remote and inaccessible regions of the globe that it is nearly impossible to study them in their natural habitats. Beaked whales, of which 24 species have been found so far, are among them: They ...
Plants & Animals
Feb 9, 2024
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For millennia, vast expanses of the Arctic Ocean have been untouched by humans, ocean where narwhals and other marine mammals lived undisturbed. Now that climate change is causing sea ice to melt, there has been an uptick ...
Plants & Animals
Dec 17, 2021
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Scientists have published new findings confirming that orcas hunt great white sharks, after the marine mammal was captured on camera killing one of the world's largest sea predators.
Plants & Animals
Oct 9, 2022
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South Africa is renowned for having one of the world's biggest populations of great white sharks (Carcharodon carcharias). Substantial declines have been observed, however, in places where the sharks normally gather on the ...
Plants & Animals
Sep 10, 2023
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Researchers have discovered a huge new mosasaur from Morocco, named Thalassotitan atrox, which filled the apex predator niche. With massive jaws and teeth like those of killer whales, Thalassotitan hunted other marine reptiles—plesiosaurs, ...
Paleontology & Fossils
Aug 24, 2022
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When a killer whale slowly circled back toward wildlife photographer Brian Skerry in the middle of the ocean after discarding the giant sting ray it was devouring, panic is not what came to mind: "Part of my brain is thinking, ...
Plants & Animals
Apr 21, 2021
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In a new 3D modeling study published this week in Science Advances, we show that the giant extinct shark, Otodus megalodon, was a true globetrotting super-predator.
Paleontology & Fossils
Aug 21, 2022
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An orca (killer whale) has been observed, for the first-ever time, individually consuming a great white shark—and within just two minutes.
Plants & Animals
Mar 1, 2024
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Ancient whales had extremely sharp predator teeth similar to lions, Australian scientists said Wednesday in a discovery they believe debunks theories the mammals used their teeth to filter feed like today's gentle giants.
Plants & Animals
Aug 30, 2017
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