'Birds in crisis': N America loses 3 billion birds in 50 years | News | Al Jazeera

'Birds in crisis': N America loses 3 billion birds in 50 years Disappearance of meadows and prairies, expansion of farmlands, use of pesticide blamed for 29 percent drop since 1970. 20 Sep 2019 07:11 GMT ...

'Birds in crisis': N America loses 3 billion birds in 50 years

Disappearance of meadows and prairies, expansion of farmlands, use of pesticide blamed for 29 percent drop since 1970.

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