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Hawaiians thought these sea turtles had graffiti on their backs. It led to a 600-person project to save them

Etchings on turtle shells led to a massive citizen science project that has resulted in even more protections for the ...

Hawaiians spotted sea turtles with mysterious 'graffiti' on their backs and it sparked a 600-person mission to save the species

Strange marks on Hawaiian green sea turtles were thought to be graffiti. Scientists actually mark the turtles for tracking.
Hawai‘i Public Radio

How etched turtle shells help scientists track the 'Honu Count’

Wildlife biologist Brittany Clemans explains how the NOAA uses shell etchings to track turtle migration and how fellow turtle ...