How do you know where to find the Harbour Porpoises in the sea or ocean?

Question: How do you know where to find the Harbour Porpoises in the sea or ocean?
- Keywords:
  animal,
  observation,
  ocean,
  research
Asked by desk495pan to Sophie on 29 Nov 2023.
- Sophie Smith answered on 29 Nov 2023:
  
  The clue is in the name! They were named Harbour porpoises as they are coastal species that are seen very close to shore and have preference to shallow, cold waters.

Question: How do you know where to find the Harbour Porpoises in the sea or ocean?