News tagged with animal ecology

Evolution may take giant leaps

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...

Biology / Evolution

created Dec 11, 2009 | popularity 4.5 / 5 (31) | comments 40 weblog

Loss of large predators disrupting multiple plant, animal and human ecosystems

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 ...

Biology / Ecology

created Jul 14, 2011 | popularity 5 / 5 (14) | comments 6 | with audio podcast

Move over, sponges: New evidence confirms Placozoans are the closest living surrogate to the ancestor of all animals

A new and comprehensive analysis confirms that the evolutionary relationships among animals are not as simple as previously thought. The traditional idea that animal evolution has followed a trajectory from ...

Biology /

created Jan 27, 2009 | popularity 4.8 / 5 (13) | comments 1

History's normal rate of species disappearance is accelerating, scientists say

Biologist E.O. Wilson once pondered whether many of our fellow living things were doomed once evolution gave rise to an intelligent, technological creature that also happened to be a rapacious carnivore, fiercely territorial ...

Biology / Plants & Animals

created Jul 31, 2011 | popularity 3.9 / 5 (16) | comments 11

Plant communication: Sagebrush engage in self-recognition and warn of danger

"To thine own self be true" may take on a new meaning—not with people or animal behavior but with plant behavior.

Biology / Ecology

created Jun 19, 2009 | popularity 4.6 / 5 (8) | comments 4

Bird ranges shift north, but not as fast as climate

(PhysOrg.com) -- As warmer winter temperatures become more common, one way for some animals to adjust is to shift their ranges northward. But a new study of 59 North American bird species indicates that doing ...

Biology / Ecology

created Mar 28, 2012 | popularity 4.8 / 5 (6) | comments 4

'Invisible hand' guides evolution of cooperative turn-taking, research shows

It's not just good manners to wait your turn -- it's actually down to evolution, according to new research by University of Leicester psychologists.

Biology / Evolution

created Jul 09, 2009 | popularity 4.3 / 5 (6) | comments 5

Poison: It's what's for dinner

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 ...

Biology / Ecology

created Apr 06, 2009 | popularity 4.8 / 5 (4) | comments 2

Male antelopes trick females into extra sex opportunities

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.

Biology / Plants & Animals

created May 24, 2010 | popularity 4.8 / 5 (4) | comments 5 | with audio podcast

Slight changes in climate may trigger abrupt ecosystem responses

Some of these responses, including insect outbreaks, wildfire, and forest dieback, may adversely affect people as well as ecosystems and their plants and animals.

Space & Earth / Environment

created Jan 16, 2009 | popularity 2.8 / 5 (6) | comments 3

Parasites help reveal new ecological rules

Scientists at UC Santa Barbara and other institutions say their new research is expected to profoundly affect the field of ecology and can assist the management of ecosystems, including forests, lakes, and ...

Biology / Ecology

created Jul 21, 2011 | popularity 4.3 / 5 (4) | comments 3 | with audio podcast

Polarized light pollution leads animals astray

Human-made light sources can alter natural light cycles, causing animals that rely on light cues to make mistakes when moving through their environment. In the journal Frontiers in Ecology and the Environment, a coll ...

Space & Earth / Environment

created Jan 07, 2009 | popularity 3.8 / 5 (4) | comments 0

Ancient mammals shifted diets as climate changed

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 ...

Other Sciences / Archaeology & Fossils

created Jun 03, 2009 | popularity 4 / 5 (3) | comments 2

Female fish abandoned by males to raise offspring on their own

Caring for children can be a tough job, particularly if you are a female cichlid fish.

Biology / Plants & Animals

created Sep 20, 2010 | popularity 5 / 5 (2) | comments 1

Climate change forcing a 'move it or lose it' approach to species conservation?

What does it take to save a species in the 21st century? The specter of climate change, with predicted losses to biodiversity as high as 35 percent, has some scientists and managers considering taking their conservation strategies ...

Biology / Ecology

created Oct 01, 2010 | popularity 5 / 5 (2) | comments 0