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An old nuclear weapons plant in the US has become home to lots of American alligators.
These reptiles are one of the best bio-indicator species in the world [a bioindicator is any species who can be used to assess the quality of the environment and how it changes over time].
Alligator Ecotoxicologist, Laura Kojima, monitors the alligators for toxic waste to assess the health of the environment.
Find out why and how Laura tracks the alligators in this episode of BBC Earth’s Reports From the Frontline.
From saving dolphins to seabirds falling from the sky, find out more about the unbelievable conservation taking place around the world.
Watch the full series of #ReportsFromTheFrontLine on Facebook Watch.*
*Please note, this series is restricted in certain territories.