"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.

A newly published study has found that nearly 75% of bird species in North America are sharply declining across their ranges, and eight in 10 plummeting in the very areas where they’re thought ...

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.

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.