Imagine that after the birds have been living in the city for many years a second big flock of birds arrives. How will the bird population size change in the 10 to 20 years after the extra birds arrive

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Explanation:

As the new flock of birds arrives in the city, there will be a sudden surge in the population of these birds. Since there are no predators of the birds around in this city, the population will remain at a higher number as time passes by during the next decade or so.

the answer you are looking for is the united states forest service.

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