New Mexico mammoths among best evidence for early humans in North America
About 37,000 years ago, a mother mammoth and her calf met their end at the hands of human beings.
Archaeology
Aug 01, 2022
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News tagged with small populations
Study reveals 60 million years of penguin evolution
An international team of 40 researchers analyzed the genomes—the complete set of DNA—of all living and recently extinct penguin species and combined this with the fossil record to gain new insights into the key events ...
Evolution
Jul 19, 2022
0
164
Study: World's protected natural areas are too small and isolated to benefit wildlife
The world's governments will this year negotiate a series of targets in response to the global biodiversity crisis that has already led to a massive loss of the planet's wildlife. While none of the previous round of targets ...
Ecology
Jun 13, 2022
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41
Intensive whaling did not rob the fin whale of its genomic diversity
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
Local environment and population demographics, not genetics, influence bottlenose dolphin 'names'
New research suggests that it is the local ocean environment and population demographics, and not genetics, that best explains the different lengths and pitches of signature whistles—the unique identifying call akin to ...
Plants & Animals
May 26, 2022
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263
How seascapes of the ancient world shaped the genetic structure of European populations
Trinity scientists, along with international colleagues, have explored the importance of sea travel in prehistory by examining the genomes of ancient Maltese humans and comparing these with the genomes of this period from ...
Archaeology
May 20, 2022
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286
Pink pigeons in Mauritius made a remarkable comeback from near-extinction, but are still losing genetic diversity
In the 1980s there were just ten or so pink pigeons left in the wild. Known to scientists as Nesoenas mayeri, the species is found only on Mauritius, the Indian Ocean island that was once home to the dodo. Like the dodo, ...
Plants & Animals
May 13, 2022
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7
Only 10 vaquita porpoises survive, but species may not be doomed
The vaquita porpoise, the world's smallest marine mammal, is on the brink of extinction, with 10 or fewer still living in Mexico's Gulf of California, their sole habitat. But a genetic analysis by a team of UCLA biologists ...
Plants & Animals
May 05, 2022
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430
Researchers suggest that complex bird songs might require large populations
Growing up in a small community has its advantages, but if you want to learn from world experts, you may have better luck in a big city. This is the case in the world of birds as well. Large populations of birds might be ...
Evolution
Apr 29, 2022
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75
Decreased genetic diversity in immune system could impact endangered toad survival
A new study from North Carolina State University examines immune system diversity in the critically endangered Wyoming toad and finds that genetic bottlenecks could impact a species' ability to respond to new pathogens. The ...
Plants & Animals
Apr 28, 2022
0
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