List three spicies of seals.
Here are three species of seals: 

1. Harbor Seal (Phoca vitulina)
2. Northern Elephant Seal (Mirounga angustirostris)
3. Grey Seal (Halichoerus grypus)
Complete the following task based on the instruction and optional input provided.### Instruction:
List three spicies of seals.

### Output:
Here are three species of seals: 

1. Harbor Seal (Phoca vitulina)
2. Northern Elephant Seal (Mirounga angustirostris)
3. Grey Seal (Halichoerus grypus)