'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. from Al Jazeera Eng...

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

from Al Jazeera English https://ift.tt/32RQh3x