Evening grosbeaks, once common in the Northland, are one species that have declined dramatically in recent decades, part of an overall decline of nearly 3 billion birds since 1970, according to a new ...

WASHINGTON (AP) — A comprehensive study shows there are nearly 3 billion fewer wild birds in North America than in 1970. The new study finds that the bird population in the United States and Canada ...

WASHINGTON (AP) — North America’s skies are lonelier and quieter as nearly 3 billion fewer wild birds soar in the air than in 1970, a comprehensive study shows. The new study focuses on the drop in ...

LOS ANGELES - More than one-in-four birds has vanished from the North American landscape in the last 50 years, according to new research published in the journal Science Thursday. The number of birds ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Bird populations in the United States and ...

Calgary's efforts to support local and migratory bird populations have earned it a recertification by Nature Canada as a bird ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — North America’s skies are ...