The tiny Rufous Hummingbird is facing a big problem: They’ve lost two-thirds of their population in the past 50 years alone—and they're on track to lose another 50% in the coming decades.
More than half of U.S. bird species are in decline.
389 North American bird species are at increasing risk of climate extinction.
We’ve lost 3 billion birds in the span of a human lifetime.
Our research identifies which birds are threatened, which habitats are most in need of protection, and which birds will most benefit from our efforts—findings that drive our expert on-the-ground conservation work.