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Dr. Michael Adkesson sits with a tranquilizer gun as he works to get close enough to sedate a South American sea lion on Nov. 18, 2015, at the Punta San Juan coastal reserve.
Anthony Souffle / Chicago Tribune
Dr. Michael Adkesson sits with a tranquilizer gun as he works to get close enough to sedate a South American sea lion on Nov. 18, 2015, at the Punta San Juan coastal reserve.
Chicago Tribune
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For nearly a decade, Brookfield Zoo and its parent, the Chicago Zoological Society, have been sending researchers to Punta San Juan in Peru to assess the health of sea animals and create conservation awareness in the region.