California's rich diversity of Native American ethnic-and-language groups took shape during the past 12,000 years as migrating tribes settled first on the lush Pacific coast and then in progressively drier, less-vegetated ...
Archaeology
Aug 19, 2013
3
0
The enormous decline of large, apex predators and "consumers" ranging from wolves to lions, sharks and sea otters may represent the most powerful impacts humans have ever had on Earth's ecosystems, a group of 24 researchers ...
Ecology
Jul 14, 2011
6
2
Human actions are changing the environment at an unprecedented rate. Plant and animal populations must try to keep up with these human-accelerated changes, often by trying to rapidly evolve tolerance to changing conditions.
Plants & Animals
Feb 2, 2023
0
65
Species risk being lost if the ongoing degradation of coral reefs in the Caribbean goes beyond a certain critical point, scientists say.
Ecology
Sep 7, 2015
0
118
Scientists have caught male topi antelopes in the act of faking fear in front of females in heat as a way to improve their chances of having sex.
Plants & Animals
May 24, 2010
4
0
As the U.S. Southwest grew warmer from 18,700 to 10,000 years ago, juniper trees vanished from what is now the Mojave Desert, robbing packrats of their favorite food. Now, University of Utah biologists have narrowed the hunt ...
Ecology
Apr 6, 2009
2
0
A new University of Florida study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global warming.
Archaeology
Jun 3, 2009
2
0
Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Ecology
Mar 2, 2012
0
0
The fierce battles of rutting stags may be the most famous symbols of males competing over females in the animal kingdom. But it turns out the stags don't have things all their own way.
Plants & Animals
Oct 19, 2011
0
0
The family of small insectivores, Talpidae, includes the moles, shrew moles, and aquatic desmans. New research published in BioMed Central's open access journal EvoDevo has found that the enlargement of moles' digging front ...
Biotechnology
Aug 8, 2012
0
1
