"The birds are like the canary in the coalmine." Research reveals concerning trends among North American bird populations: 'We are just seeing fundamental changes' first appeared on The Cool Down.

Three out of every four of the 500 North American bird species are in decline, a recent study found. But unlike the mass extinctions that killed off the dinosaurs, this one is driven by us.

A concerning discovery from a sweeping study of bird behavior across North America indicates a critical mismatch in our ecosystems. Scientists are finding that many bird species, despite their ...

WASHINGTON — At least 112 North American bird species have lost more than half their populations in the past 50 years, according to a new report published March 6.