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The north American bird population has declined by $ 3 billion since 1970, study finds

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There are almost 3 billion fewer birds in the United States and Canada in the 1970’s, according to an alarming new study.

This equates to a 29 per cent decline in the avian population over the course of the past half-century.

“Three billion dollars is a punch in the gut,” with Peter marra at the preserve, a biologist at Georgetown University, told Science News. “Our study is a wake-up call. We are in an environmental crisis.”

For the study, which was published on Thursday in Science, researchers examined a dozen different databases covering several decades of bird observations in the united states and Canada. They can be used in the statistical analysis is to estimate the trend since the 1970’s.

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The white-tailed sea eagle flying over the Zolotoy Rog Bay in Russia.
(Getty Images)

“The loss of bird abundance, signals an urgent need to address the threats to them from the future avifaunal collapse and the associated loss of ecosystem integrity, function, and services,” the study’s abstract states

The reduction of the population is affected, common and rare birds alike, as well as the use of invasive species as well.

Although the study does not specifically address the reason as to why the birds were dying out and experts are of the opinion that many species of wildlife habitats from loss or damage.

“As habitats are reduced, the birds will have nowhere to go,” Kenneth Rosenberg, an ornithologist at Cornell University, told Science News.

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Two of the white stork with outstretched wings flying over a field. (Photo by Boris Roessler/picture-alliance, via Getty Images)

The study also shows, however, that some populations of birds, such as mallard ducks and canada geese — they have actually increased in number since the 1970’s.

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“This rise is no coincidence,” Rosenberg said. “This is a direct result of decades of effort by people in america and billions of dollars [spent] for the protection of birds and their habitats.”

Rosenberg added that he hopes the study will prompt us to make similar to make up for all the different kinds of birds.

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