There are seven species of sea turtles on the planet and six of them are on the threatened or endangered list because of humans. Some of the hazards for sea turtles is them getting entangled in fishing gear, the loss of habitat due to coastal development, poaching and ocean pollution including plastic. All seven species are threatened or endangered.
Sea Turtles have many natural predators on land and in the sea. Humans can be unkind without knowing it by traipsing around on top of a nest.