African elephants face the worst crisis since global trade in ivory was banned almost a quarter-century ago, with the risk of extinction rising in worst-hit nations, conservationists said Wednesday.
Ecology
Mar 6, 2013
0
0
Previously unknown colonies of emperor penguins have been spotted in new satellite imagery.
Plants & Animals
Jan 24, 2024
1
73
(Phys.org) —In the 19th century, billions of passenger pigeons crowded the skies of North America. By 1914, the birds had become extinct. Previously, ecologists thought human activity was responsible for the passenger pigeon's ...
New findings detailing the world's first-of-its-kind estimate of how many people live in high-altitude regions, will provide insight into future research of human physiology.
Other
Apr 26, 2021
1
141
A new census—carried out by the Greater Virunga Transboundary Collaboration (a coalition of governments, non-profits and conservationists) in 2018—shows that the population of mountain gorillas in Uganda's Bwindi Impenetrable ...
Plants & Animals
Jan 15, 2020
0
3
Population estimates for the Amazon basin just before Europeans arrived range from 2 to 10 million people. The newly reported reconstruction of Amazonian prehistory by Smithsonian scientist Dolores R. Piperno and colleagues ...
Environment
Jun 14, 2012
1
0
A new statistical analysis shows the world population could reach nearly 11 billion by the end of the century, according to a United Nations report issued June 13. That's about 800 million, or about 8 percent, more than the ...
Social Sciences
Jun 13, 2013
1
0
Fisheries managers have decided to call off the West Coast sardine fishing season that starts in July because of rapidly dwindling numbers, hoping to save an iconic industry from the kind of collapse that hit in the 1940s ...
Ecology
Apr 13, 2015
0
46
Australia's Letter-winged kite may not be any better at seeing in the dark than its closest, day-hunting relatives.
Plants & Animals
May 25, 2022
0
360
A technique that monitors whales through the sounds they emit has answered a key issue raised by the explosion of the Deepwater Horizon oil rig in the Gulf of Mexico two years ago this month.
Plants & Animals
Apr 6, 2012
0
0
