Lessons in longevity from naked mole rats and bowhead whales
Researchers at Nanjing Normal University, China, have investigated the genetic underpinnings of mammalian longevity in search of new strategies to extend human lifespan.
News tagged with killer whales
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marine mammal
Scientists discover fossils of giant sea lizard that ruled the oceans 66 million years ago
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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For migrating elephant seals, 'lightscapes of fear' shape feeding, resting strategies
Every year in May, female elephant seals leave the beaches in California where they gave birth, nursed young, and molted, to embark on a seven-month foraging migration across the North Pacific Ocean. There is danger in the ...
Plants & Animals
Mar 17, 2021
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128
Resident orcas' appetite likely reason for decline of big Chinook salmon
Killer whales prefer to eat only the biggest, juiciest Chinook salmon they can find. The larger the fish, the more energy a whale can get for its meal.
Ecology
Dec 16, 2019
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235
The limits of ocean heavyweights: Prey curb whales' gigantic size
At 100 feet long and weighing more than 100 tons, blue whales are the largest creatures to have evolved on the planet. Other whales, like killer whales, are larger than most terrestrial animals but pale in comparison to the ...
Plants & Animals
Dec 12, 2019
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141
Heart monitors on wild narwhals reveal alarming responses to stress
Narwhals released after entanglement in nets and outfitted with heart monitors performed a series of deep dives, swimming hard to escape, while their heart rates dropped to unexpectedly low levels of three to four beats per ...
Plants & Animals
Dec 7, 2017
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102
Long menopause allows killer whales to care for adult sons
Scientists have found the answer to why female killer whales have the longest menopause of any non-human species - to care for their adult sons. Led by the Universities of Exeter and York and published in the journal Science ...
Plants & Animals
Sep 13, 2012
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Albatross camera reveals fascinating feeding interaction with killer whale
Scientists from British Antarctic Survey, National Institute of Polar Research, Tokyo, and Hokkaido University, Japan, have recorded the first observations of how albatrosses feed alongside marine mammals at sea.
Plants & Animals
Oct 7, 2009
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Peregrine falcons expose lasting harms of flame retardant use
Peregrine falcon populations across North America are heavily contaminated with harmful flame retardants–including those that have been phased out for years—according to a new study published in Environmental Science ...
Environment
Apr 9, 2024
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105
New research reveals full diversity of killer whales as two species come into view on Pacific Coast
Scientists have resolved one of the outstanding questions about one of the world's most recognizable creatures, identifying two well-known killer whales in the North Pacific Ocean as separate species. The research is published ...
Plants & Animals
Mar 28, 2024
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