Assertion: wren's number | /r/CapableOf | increase since early 1900s
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text: In Massachusetts, the wrens had expanded westward and northeastward from its former southeastern location in approximately 35 years, in New York the population increased three-fold in roughly 25 years, while in midwest states such as Ohio and Michigan have seen numbers of the birds increase since the mid-1800s and early 1900s, respectively.