The U.S. bird population is declining at an alarming rate, according to a report published Thursday by an alliance of science and conservation groups. Habitat loss and climate change are among the key contributing factors to the bird population losses, according to the 2025 U.S. State of the Birds report.

U.S. bird populations are experiencing alarming declines due to factors such as habitat loss and climate change, according to a new report identifying 112 species that have reached a "tipping point," including 42 with perilously low numbers and steep downward trends.

State of the Birds report identifies 112 "tipping point" species — those that have lost more than half their populations in the past five decades.