👉 The term "leatherback" refers to a type of bird that is known for its distinctive appearance, particularly its large and heavily scaly body. These birds are often referred to as "leatherbacked," which implies their overall appearance or behavior resembling that of a reptile or other species with a long neck and thick skin. The term "leatherback" was first used in the 19th century by ornithologists and bird biologists, who were studying the anatomy and