How does the typical social structure of porpoises contrast with that of dolphins?

Answer

Porpoises are generally much less social

Porpoises are generally considered much less social than dolphins. They are most often sighted alone or in very small groups, typically consisting of only two to five individuals, whereas dolphins might travel in groups numbering in the hundreds.

How does the typical social structure of porpoises contrast with that of dolphins?
animalmammalcharacteristiccetaceanporpoise