Which threatened sea turtle species, named for its olive-coloured shell, nests primarily on the beaches of the Gulf Coast and is the smallest of the sea turtles?

• A Kemp's ridley sea turtle ✓
• B Loggerhead
• C Green sea turtle
• D Hawksbill

Kemp's ridley (Lepidochelys kempii) is the rarest and most endangered sea turtle, known for its synchronised mass nesting events called arribadas, primarily at Rancho Nuevo, Mexico and Padre Island, Texas.