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
0
123
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
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
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90
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
Researchers studying Antarctic fur seals have discovered their scent has a unique 'profile' which enables them to recognise their offspring and family members. Until now researchers thought voice recognition was mostly important ...
Plants & Animals
Aug 12, 2015
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24
The oldest known fur seal has been discovered by a Geology PhD student at New Zealand's University of Otago, providing a missing link that helps to resolve a more than 5-million-year gap in fur seal and sea lion evolutionary ...
Archaeology
Feb 11, 2015
4
64
Florida State University researchers have spearheaded a major review of fisheries data that examines the domino effect that occurs when too many fish are harvested from one habitat.
Ecology
Dec 24, 2013
1
0
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
0
35
