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Study finds US, Canada lost 3 billion birds over last 50 years

Study finds US, Canada lost 3 billion birds over last 50 years

3 billion birds lost in US and Canada

The bird population in the United States and Canada has decreased by 29 percent since 1970, according to the findings of a new study released Thursday.

The  study, published in the journal Science, found that change means there  are 2.9 billion few birds in the sky than five decades ago.

The  study was the most in-depth investigation scientists have conducted to  determine what is happening to the planet’s birds. Over 500 aviary  species were surveyed for the analysis.

David  Yarnold, president and chief executive of the National Audubon Society,  described the massive drop as “a full-blown crisis,” in a statement Thursday and called for action.

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Source: Study finds US, Canada lost 3 billion birds over last 50 years

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