Statistics till now!
tell us moreBirds thrive in grasslands, deserts, mountains, forests, tundra and along the oceans coasts. But the skies have grown more silent in recent decades. Since 1970,we have lost more than 2.9 billion birds, according to a study published today in the journal Science. In less than half a century, the avian population of the continent has declined by some 29 percent, or more than one in four birds. For the first time, researchers found that threatened species aren't the only birds suffering population loss. In fact, common birds—including beloved backyard companions like sparrows and blackbirds—are taking the biggest hit.
“This is a big, big punch in our continental gut in terms of what we're doing to our environment"
