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By Kim Bussing
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Comments (387)
Birds are super cute!
First humans move to cities for jobs, now researchers expect birds to move in too. It's certainly going to be a huge population explosion in cities.
cool!
COOL AND INTERESTING
Cool and interesting!
Of course they are smarter. They have more experience and they are around humans allt he time.
Their are upsides and their are downsides of having city birds smarter.
I never knew that until now!
That is really cool!
i think that you should to current events that are on the current year