The term 'kind of seal' can refer to several different types of seals. The first is a HARP seal, which is a species of earless seal found in the Arctic and North Atlantic oceans. The second is a PRIVY seal, which is a type of wax seal used to authenticate documents. The third is an EASTER seal, which is a type of wax seal used to authenticate documents during the EASTER season. The fourth is an EARED seal, which is a species of seal that has external ears. The fifth is an OTARY seal, which is a species of EARED seal found in the Pacific Ocean. The sixth is a THONG seal, which is a type of wax seal used to authenticate documents. Finally, the seventh is an earless seal, which is a species of seal that does not have external ears.