Worm-eating mice reveal how evolution works on islands

Australia has a bunch of kangaroo species, Madagascar has multiple species of lemurs, the Galapagos Islands have boulder-sized tortoises--islands get lots of cool animals....

Lifting the economy on hawks’ wings

What can help boost Michigan's economy? American kestrels. A new Michigan State University study, published in the Journal of Applied Ecology and funded by the National Science...

Savanna chimpanzees suffer from heat stress

During their evolutionary history hominins underwent physiological and behavioral changes to cope with and adapt to more open and hotter environments. These changes include...

What is a species?

Nature is replete with examples of identifiable populations known from different continents, mountain ranges, islands or lowland regions. While, traditionally, many of these have...

Angry birds: Size of jackdaw mobs depends on who calls warning

Jackdaws recognise each other's voices and respond in greater numbers to warnings from familiar birds than strangers, new research shows. The birds produce a harsh...

Rapid evolution fails to save butterflies from extinction

The evolution of wild species, adapting them to human management practices, can cause localised extinctions when those practices rapidly change. And in a new...

Beavers do dam good work cleaning water

Beavers could help clean up polluted rivers and stem the loss of valuable soils from farms, new research shows. The study, undertaken by scientists at the...

The secret of a long life

Usually the rule in the animal kingdom is: a lot of progeny means a short life - if you are less fertile, you live...

Identification of 15 new species of stealthy cuckoo bees

Cuckoo bees sneakily lay their eggs in the nests of other bee species, after which their newly hatched prodigies kill the host egg or...

If El Niños happen twice as often, what happens to seabirds?

More frequent El Niño events in the future may have surprising impacts on seabirds and some fish species, according to a study from the...

Bullfrogs are to blame for deadly fungus outbreaks in western US

In the 1890s, settlers crossed the Rocky Mountains seeking new opportunities -- and bearing frogs. A new study coauthored by a San Francisco State...

Alligators on the beach? Killer whales in rivers?

Alligators on the beach. Killer whales in rivers. Mountain lions miles from the nearest mountain. In recent years, sightings of large predators in places where...

Greenhouse gas ‘feedback loop’ discovered in freshwater lakes

A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production...

Researchers study how to improve southern sea otter survival

University of Wyoming researchers have been studying how best to bolster the southern sea otter population, which suffers from low genetic diversity and has...

Are emperor penguins eating enough?

For Emperor penguins waddling around a warming Antarctic, diminishing sea ice means less fish to eat. How the diets of these tuxedoed birds will...