News

Researchers from the USGS Western Ecological Research Center have reported a rare case of two songbird species cross-breeding in San Diego County --...

The California common murre (Uria aalge californica) is a football-sized seabird with the tuxedo colors of penguins — except it can both fly in the...

Are deserts lifeless? Far from it, of course. Incredible species of wondrous reptiles, resplendent flowers and other organisms can be found in America...

Marine biologists are setting up camp in Forks, Washington, this week to capture some fanged predators. They are definitely cute and they have great...

The common parasite Toxoplasma gondii may be worth investigating as a risk factor for brain cancers, according to a new analysis led by the French...

An old theory in ecology is that in any ecosystem, a small-sized animal species will be more populous than a large species. All you need is a summer...

Laboratory studies have shown that methylmercury exposure can impair bird chick behavior, health, growth and survival. For researchers studying the...

The desert tortoise -- that slow-footed shelled sentinel of America's desert southwest -- is actually comprised of two distinct species, according to ...

Palmyra faces challenges from past habitat impacts and present concerns about invasive species and sea-level rise.

This gull species, which is native to California, has left an interesting history in its wake. Normally breeding in inland areas like Mono Lake...