Antarctic fur seals that were hunted to near extinction have recovered but now face dangerous decline because of a lack of food, new research suggests.
Plants & Animals
Oct 16, 2023
0
79
A team of researchers has documented the changes that occurred to a type of prey (cape fur seals) when their predator (great white sharks) disappeared from their environment. In their paper published in the journal Biology ...
The climate crisis is limiting the availability of krill—small crustaceans that are vital in the marine food chain—during summer in some areas of the Antarctica. This involves a decrease in the food abundance for female ...
Plants & Animals
Dec 2, 2021
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123
An estimated 7,000 Cape fur seals have been discovered dead at a breeding colony in central Namibia, scientists said on Saturday.
Ecology
Oct 24, 2020
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35
Great white sharks fitted with cameras on their dorsal fins have been filmed for the first time stalking prey in dense kelp forests long thought to be no-go zones for the top-level predators.
Plants & Animals
Apr 3, 2019
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155
Population geneticists at Bielefeld University and the British Antarctic Survey have found that eleven seal species only narrowly escaped extinction. Their study has been published today in Nature Communications.
Ecology
Nov 16, 2018
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4
All land mammals and birds have two types of sleep: rapid eye movement (REM) and non-REM (also called slow-wave sleep). Earlier evidence had suggested that REM sleep—associated with dreaming—is essential for physical ...
Plants & Animals
Jun 7, 2018
0
90
A neurosurgical team at Cummings School of Veterinary Medicine at Tufts University has successfully performed what is believed to be a first-of-its-kind brain surgery on a Northern fur seal named Ziggy Star in an attempt ...
Plants & Animals
Dec 27, 2017
0
678
While a little added stress may be helpful to flee a dangerous situation, or to meet an approaching deadline, it's no secret that prolonged exposure to the stress hormone cortisol is linked to health problems. So, what effects ...
Ecology
Dec 6, 2017
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1061
An aggressive seal has bitten a surfer and knocked another man off his board at a popular Sydney beach in a "freak occurrence", a report said Tuesday.
Ecology
Oct 25, 2016
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12
