Over 1,000 hellbenders from Saint Louis Zoo released into native Ozark rivers by Missouri Department of Conservation this summer

Hellbender at the Saint Louis Zoo. Photo by Ray Meibaum, Saint Louis Zoo
Over 1,000 Ozark and eastern hellbenders raised from eggs at the Saint Louis Zoo were released into their native Missouri Ozark rivers this summer by Missouri Department of Conservation (MDC) State Herpetologist Jeff Briggler, Ph.D., in cooperation with the Zoo and U.S. Fish & Wildlife Service (USFWS). Since 2008, more than 8,600 Saint Louis Zoo-raised endangered hellbenders (664 eastern and 7,977 Ozark) have been reintroduced to the wild in Missouri.
The successful 2020 reintroductions almost didn’t happen, though, due to COVID-19. The team of scientists from MDC and the Zoo collaborated on a detailed plan that focused on personal safety of team members, while also providing the best care for the hellbenders and conservation of this species.
“The process was quite a bit different this year, with a lot of careful coordination on everyone’s part,” said Briggler. Due to COVID-19 concerns, the restoration team’s priority was to reduce contact and maintain social distancing among individuals. To achieve this, animal transfers from the Zoo staff to the state herpetologist occurred in open air parking lots. Crews releasing hellbenders also were reduced and limited to two individuals per boat. “Even with these safety precautions, release quotas of hellbenders were achieved and successfully conducted,” said Briggler.
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