Close up on a furrowed turtle (Centrochelys sulcata) eating grass.

Chomp

Watch: New video reveals “horrifying and amazing” tortoise behavior

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A few characteristics likely come to mind when you think of a tortoise: slow, gentle, and maybe a little dopey.

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A. Zora, et al. CURRENT BIOLOGY (2021)

However, as a new study of a tortoise attacking a tern chick proves, you may want to add methodical hunter to that list.

A warning here: This story is not for the faint of heart.