Eared seal and Sea lion

Eared seal noun - Pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur.

Sea lion and eared seal are semantically related. In some cases you can use "Sea lion" instead a noun phrase "Eared seal".

Sea lion noun - Any of several large eared seals of the northern Pacific related to fur seals but lacking their valuable coat.

Eared seal and sea lion are semantically related. You can use "Eared seal" instead a noun phrase "Sea lion".