3 Billion Birds Lost

A study published on Sept. 19, 2019 in the journal Science reveals that since 1970, bird populations in the United States and Canada have declined by 29 percent, or almost 3 billion birds, signaling a widespread ecological crisis.
The results show tremendous losses across diverse groups of birds and habitats - from iconic songsters such as meadowlarks to long-distance migrants such as swallows and backyard birds including sparrows.
Learn more: abcbirds.org/article/new-stud...