
1.5 Billion Birds Lost in North America Since 1970s
By Nika Knight North America has lost more than 1.5 billion birds over the past 40 years, says the most comprehensive survey of landbird populations in Canada and the U.S. to date, and 86 species are threatened with total extinction—all thanks to human-caused habitat destruction and climate change. Golden-winged warblers are one of the North […]