nearly two-thirds of the North American bird population is facing extinction if global warming hits 3 degrees Celsius (5.4 degrees Fahrenheit). “It’s a bird emergency” David Yarnold ...

WASHINGTON -- When it comes to global warming ... farther north than it used to. And it's not alone. An Audubon Society study to be released Tuesday found that more than half of 305 birds species ...

A new report from the National Audubon Society warns North America will lose nearly two-thirds of its birds if global warming hits 5.4 degrees Fahrenheit (3 degrees Celsius). That’s roughly 400 ...

A new UCLA study analyzed 27 years of data across 311 land-based species to examine how North American birds have responded ... stay on track with the rate of warming. Most of the changes they ...

When it comes to global warming ... miles farther north than it used to. And it’s not alone. An Audubon Society study to be released today found that more than half of 305 birds species in ...

Endangered species include some of the most common birds found in North America, like the American Robin ... million bird records - suggests that if warming trends continue, birds won't be ...

the Spruce Grouse shifted north by 316 miles. Human encroachment on habitat certainly played a role, scientists acknowledge, particularly among grassland birds. But they cite global warming as "by ...

Nearly 60 percent of the 305 species found in North ... Christmas Bird Count — an effort that enlists citizens in a massive bird census each year — and suggest “that global warming is ...

When it comes to global warming ... miles farther north than it used to. And it's not alone. An Audubon Society study to be released Tuesday found that more than half of 305 birds species in ...