For more than 30 years, Cook County wildlife biologist Chris Anchor and his colleagues have been attaching metal ID bands to the legs of various birds – thousands in all – and every great once in a while, one of those birds, or maybe just its tag, is found.
This summer, Anchor received a report from the federal bird banding lab in Maryland that one of Cook County’s ospreys had landed in Colombia.
After 30 years of banding, this is the most exceptional return that we’ve ever had,” Anchor said.
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