U.S. researchers say the number of gray whales off western North America has continued to fall over the last two years, a decline that resembles previous population swings over the past several decades.
Ecology
Oct 8, 2022
0
50
A string of whale deaths in recent days in southern Argentina have worried scientists, who think a micro-algae could be to blame.
Ecology
Oct 5, 2022
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7
As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...
Plants & Animals
Sep 21, 2022
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30
The endangered oceanic manta ray Mobula birostris is an iconic marine creature, and yet surprisingly little is known about them. Now, a study led by KAUST researchers has provided insights into population demographics and ...
Plants & Animals
Sep 19, 2022
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13
Effective national and international laws are needed to reverse the decline of populations of large carnivores—such as tigers, wolves, and eagles—and reduce their risk of extinction, reports a paper published in Scientific ...
Ecology
Jul 21, 2022
1
1831
Southern fin whales have been documented feeding in large numbers in ancestral feeding grounds in Antarctica for the first time since hunting was restricted in 1976. The paper, published in Scientific Reports, includes the ...
Plants & Animals
Jul 7, 2022
0
73
A University of Queensland-led study has found humpback whales can learn incredibly complex songs from whales from other regions.
Plants & Animals
Jul 1, 2022
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879
Fin whales are the second largest creatures on our planet, surpassed only by blue whales. They can reach a length of around 20 meters—and require up to two metric tons of food per day. Accordingly, they release enormous ...
Plants & Animals
May 27, 2022
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5
Whales are threatened by a variety of human activities off the West Coast of the United States, including fishing, ship traffic, and pollution. Overlap between these stressors can compound effects on whale populations, but ...
Plants & Animals
Apr 6, 2022
0
14
Abrupt shifts in the evolution of animals—short periods of time when an organism rapidly changes size or form—have long been a challenge for theorists including Darwin. Now a newly published research paper supports the ...
Evolution
Mar 2, 2022
0
1192
