As humans have transformed the natural environment, abundant birds have suffered the most—while some rare species have ...

There is “high concern” about 18 per cent of temperate species in Eastern North America, and 19 per cent of boreal birds — none of which are species that live all year in the north.

Nearly two-thirds of all bird species in North America will be at an increased risk of extinction if the world does not act to reign in climate change, a new report has found.

North America has lost an estimated 3 billion birds since 1970—a nearly 30% drop across species—mostly due to habitat loss ...

About 150 North American species bear the names of people, often the naturalists who ‘discovered’ them. Some are seeking to change that – and they’ve opened a can of worms in the ...

Fully one-third of all North American bird species need quick help to stop them from disappearing, says the first continentwide bird study conducted jointly by Canada, the United States and Mexico ...

314 North American bird species at risk due to climate change, report finds Emily Chung · CBC News · Posted: Sep 10, 2014 1:04 PM PDT | Last Updated: September 10, 2014 ...

A report on the State of North America's birds in 2016 had even estimated that bird populations had declined by a billion since 1970.

Half of all bird species in North America - including Canada’s famous loon - are at risk of severe population decline by 2080 if the swift pace of global warming continues, the National Audubon ...

One-third of North American bird species are “in crisis” and another half face serious trouble says the first analysis of all the birds in Canada, the United States and Mexico.

Fully one-third of all North American bird species need quick help to stop them from disappearing, says the first continent-wide bird study conducted jointly by Canada, the United States and Mexico.