Are you asking about the animal?
* Yes: Seals are sometimes referred to as "true seals" to distinguish them from sea lions and walruses, which are also pinnipeds.
* No: Seals are also known as "earless seals" because they lack external ear flaps.
Are you asking about the term "seal" in a different context?
* Sealing: A "seal" can also refer to the act of closing something tightly, often using a sealant or wax.
* Stamp: A "seal" can also refer to a stamp or emblem used to authenticate documents or ownership.
To provide a more accurate answer, please clarify what kind of seal you're interested in.