Scientists have found that bird population dropped 29 percent since the 1970s in the U.S. and Canada, the Worthy News website reports today (September 21, 2019).
Researchers blamed habitat loss and degradation, the chemical eradication of insects and cats.
"Birds are in crisis," said Peter Marra, co-author of the study.
"The take-home message is that our findings add to mounting evidence with other recent studies showing massive declines in insects, amphibians and other taxa, signaling a widespread ecological crisis," Marra added.
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