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2 Brookfield Zoo wolves helping animal science research

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A pair of wolves at Brookfield Zoo are doing their part to help prolong their species, according to the Chicago Sun-Times.

At one time, the Mexican gray wolf roamed the mountainous regions of western Texas, Arizona and New Mexico in the thousands.

By 1998 — for reasons that still remain a bit of a mystery to researchers — none remained in the wild.

So on Monday, two of Brookfield Zoo’s own specimens endured a little indignity for the greater good. A researcher with the St. Louis Zoo, home to the gray wolf survival-plan program, extracted sperm samples using a special type of electrode.

[Read more at the Chicago Sun-Times]

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