All Articles Tagged As: north america

Silent Streams? Escalating Endangerment for North American Freshwater Fish: Nearly 40 Percent Now At-Risk (9/12/2008)

Nearly 40 percent of fish species in North American streams, rivers and lakes are now in jeopardy ...> Full Article

Stink bugs are on the move across Pennsylvania (7/18/2008)

They're big, they're distinctively aromatic, and they're coming to a home near you. Stink bugs are on the move across Pennsylvania and may be staying for a while. ...> Full Article

Identifying Canadian freshwater fish through DNA barcodes (6/19/2008)

New research by Canadian scientists, brings some good news for those interested in the conservation of a number of highly-endangered species of Canadian fish. ...> Full Article

Researcher keeping track of ticks (5/27/2008)

Researcher is on the trail of tiny hangers-on this summer ...> Full Article

Florida python invasion expanded and still growing (5/19/2008)

The invasion of gigantic Burmese pythons in South Florida appears to be rapidly expanding ...> Full Article

Pioneering study of pumas in the Santa Cruz Mountains (5/7/2008)

A pioneering study of pumas in the Santa Cruz Mountains will generate unprecedented insights into the behavior of one of the region's top predators. ...> Full Article

Horse experts see more unwanted horses, abandonment, neglect (5/7/2008)

Horses are being abandoned or neglected because the cost of keeping them has skyrocketed and many people don't understand all that's required of a horse owner ...> Full Article

Researcher says habitat destruction may wipe out butterfly migration (4/5/2008)

Intense deforestation in Mexico could ruin one of North America's most celebrated natural wonders - the mysterious 3,000-mile migration of the monarch butterfly. According to a University of Kansas researcher, the astonishing migration may collapse rapidly without urgent action to end devastation of the butterfly's vital sources of food and shelter. ...> Full Article

Preliminary DNA analysis completed on California wolverine (4/4/2008)

Preliminary results from DNA analysis of wolverine scat samples collected on the Tahoe National Forest do not match those of historic California wolverine populations ...> Full Article

Scientists believe photograph depicts wolverine in California (3/8/2008)

U.S. Forest Service scientists believe an Oregon State University graduate student working on a cooperative project with the agency's Pacific Southwest Research station on the Tahoe National Forest has photographed a wolverine, an animal whose presence has not been confirmed in California since the 1920s. ...> Full Article

Are wolves the pronghorn's best friend? (3/4/2008)

As western states debate removing the gray wolf from protection under the Endangered Species Act, a new study by the Wildlife Conservation Society cautions that doing so may result in an unintended decline in another species: the pronghorn, a uniquely North American animal that resembles an African antelope. ...> Full Article

Researchers investigate bat deaths (2/23/2008)

Thousands of sick bats have been found in caves in New York state. While bat experts do not know what is causing the bats' demise, telltale signs include weight loss and white fungus around their noses. ...> Full Article

Beaver population helps battle drought (2/21/2008)

They may be considered pests, but beaver can help mitigate the effects of drought, and because of that, their removal from wetlands to accommodate industrial, urban and agricultural demands should be avoided when possible, according to a new University of Alberta study. ...> Full Article